A strong enclosed trailer door lock should shield its locking point from cutting and prying while fitting the door hardware already on your trailer. For buyers securing rear or side doors with compatible hasps, hidden-shackle puck locks are the most directly relevant options in this group. The Proven Industries Model 400XL leads with three keyed-alike locks, a concealed shackle, and solid 6061 aluminum bodies.
Other picks offer steel construction, push-to-lock operation, or different pack sizes. The list also includes RV entry-door replacement latches, which serve a different purpose: they replace a door handle and latch rather than securing a hasp.
Check your existing hardware and measurements before choosing, because a lock that cannot fit the door or hasp is not a useful upgrade.
The Proven Industries Model 400XL is the best overall choice here for compatible enclosed trailer doors: it comes as a three-pack of keyed-alike locks with fully shielded shackles and solid 6061 aluminum bodies. Its concealed design is intended to resist bolt cutters and prying, and its listing specifically names enclosed rear and side doors. Confirm the hasp accepts its stated shackle opening before ordering, and follow the product’s maintenance guidance for the lock cylinders.
Our Top Picks

Three keyed-alike puck locks have fully shielded shackles and solid 6061 aluminum bodies; the listing specifically targets enclosed rear and side doors.
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Best Push-to-LockThe three-pack pairs a hidden-shackle design with push-to-lock operation, 6061 aluminum alloy, and nine keys for trailer and van use.
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Best XL AluminumThese keyed-alike locks use anodized 6061 aluminum, a hidden shackle, and push-to-lock operation for enclosed trailers, trucks, and vans.
View on Amazon- Best Solid Steel Pomunty Three-Pack Puck Locks
Compare Enclosed Trailer Door Lock Options
| # | Product | Material | Material Type | Dimensions | Buy |
|---|---|---|---|---|---|
| 1 | 1. Proven Industries Model 400XLBest Overall | Aluminum | Aluminum | — | View on Amazon |
| 2 | 2. MILBOPAX Puck LocksBest Push-to-Lock | 6061 Aluminum Alloy (Aerospace Grade), Copper | 6061 Aluminum Alloy (Aerospace Grade), Copper | — | View on Amazon |
| 3 | 3. NiwNiw XL Puck LocksBest XL Aluminum | Aluminum | Aluminum | — | View on Amazon |
| 4 | 4. Trimax THP2XLBroad-hasp two-lock set | — | — | 4.4 x 4 x 7.9 in | View on Amazon |
| 5 | 5. Pomunty Three-Pack Puck LocksBest Solid Steel | Alloy Steel | Alloy Steel | 2.8 x 2.8 x 1.5 in | View on Amazon |
| 6 | 6. Pomunty Two-Pack Puck LocksTwo-lock steel hasp set | Alloy Steel | Alloy Steel | 2 x 2 x 2 in | View on Amazon |
| 7 | 7. Kohree RV Door LockZinc-alloy latch replacement | Zinc | Zinc | 6 x 4 x 2 in | View on Amazon |
| 8 | 8. Siasky RV Door LockKeyed RV entry replacement | Aluminum, Metal, Zinc | Aluminum, Metal, Zinc | 6.22 x 2.32 x 4.26 in | View on Amazon |
| 9 | 9. LATCH.IT RV Door LockMeasured RV latch replacement | Metal, Plastic, Zinc | Metal, Plastic, Zinc | 3.5 x 1.5 x 4.37 in | View on Amazon |
| 10 | 10. CAMJOKE RV Door LockRight-hand RV door latch | Metal, Zinc | Metal, Zinc | 4.72 x 1 x 4.05 in | View on Amazon |
Detailed Reviews: Best Enclosed Trailer Door Locks

#1 · Best Overall
1. Proven Industries Model 400XL
- Material: Aluminum
- Material Type: Aluminum
Best for: Three-lock trailer protection.
Why it ranks #1: Three keyed-alike puck locks have fully shielded shackles and solid 6061 aluminum bodies; the listing specifically targets enclosed rear and side doors.
Three keyed-alike locks let the Proven Industries Model 400XL secure multiple enclosed-trailer doors while sharing one key system. Its hidden, shielded shackles resist bolt cutters and prying, making this set a fit for buyers seeking hasp-mounted protection for rear and side doors rather than an entry-latch replacement.
The fully shielded shackle limits access for bolt cutters and prying tools, while pick-resistant cylinders add a barrier against tampering. Solid 6061 aluminum bodies are corrosion-resistant for exposure to wet or salty conditions, and the three-lock set can cover more than one trailer door. Its listed shackle opening is 1 3/4 x 1 3/4 x 7/8 inches, with 1 1/4 inches of depth; check the hasp geometry against those dimensions.
- Three locks are keyed alike
- Hidden shackles resist bolt cutters and prying
- Pick-resistant cylinders deter tampering
- 6061 aluminum bodies are corrosion-resistant
- Cylinder maintenance is required, especially in extreme-weather climates.
Skip it if you want a maintenance-free cylinder; the manufacturer says preventative maintenance, including graphite fluid, is required.
Choose this set if you need keyed-alike protection for several enclosed-trailer doors and your hasps fit the listed shackle opening. Allow for cylinder maintenance, particularly when operating in extreme weather.
Full product details
| Brand | Proven Industries |
|---|---|
| Color | Black |
| Included Components | Key |
| Manufacturer | Proven Industries |
| Part Number | 400XL |
| Material | Aluminum |
| Model | Model 400XL |
| Model Number | 400XL |
| Recommended Uses | Securing enclosed trailer doors, protecting personal possessions |
| Special Feature | Key Lock |
| Style Name | Modern |
| Additional Information | Important information |
Listed on Amazon as: Proven Industries Puck Lock Set, Model 400XL, 3-Pack, Hidden Shackle, Keyed Alike, 6061 Solid Aluminum, Shackle Opening 1 3/4 x 1 3/4 x 7/8 in, Depth 1 1/4 in, Made in USA, Black
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#2 · Best Push-to-Lock
2. MILBOPAX Puck Locks
- Material: 6061 Aluminum Alloy (Aerospace Grade), Copper
- Material Type: 6061 Aluminum Alloy (Aerospace Grade), Copper
Best for: Multi-door keyed-alike set.
Why it ranks #2: The three-pack pairs a hidden-shackle design with push-to-lock operation, 6061 aluminum alloy, and nine keys for trailer and van use.
A push-to-lock mechanism lets the MILBOPAX puck locks secure a compatible hasp with a one-touch action. The three-lock, keyed-alike set is aimed at owners securing several trailer, van, shed, or container points, while its hidden-shackle round body keeps the locking area shielded from direct tool access.
The enclosed round-body design leaves no exposed shackle, limiting places for prying, cutting, or tool gripping. Each lock uses 6061 aerospace-grade aluminum alloy with an anodized finish, which the supplied details associate with corrosion resistance and smooth locking and unlocking. Push-to-lock operation can simplify securing compatible hasps, and three locks with nine keys provide a keyed-alike arrangement for multiple points. The listed applications include trailers, box trucks, sheds, vans, and containers.
- Hidden shackle has no exposed locking area
- Push-to-lock, one-touch operation
- Three locks keyed alike
- Anodized 6061 aluminum alloy resists corrosion
- Compatibility depends on having a compatible hasp or locking point.
Skip it if you need an RV entry-door latch instead of a hasp lock; this set uses puck locks for compatible locking points.
Consider this set for multiple compatible hasps on trailers, vans, sheds, or containers where one-touch locking and shared keys are useful. Its puck format requires a matching locking point, not an entry-door cutout.
Full product details
| Brand | MILBOPAX |
|---|---|
| Color | Black |
| Included Components | 3 Heavy-Duty Puck Locks (Black), 9 Keys |
| Manufacturer | MILBOPAX |
| Part Number | PL-Black-3 |
| Material | 6061 Aluminum Alloy (Aerospace Grade), Copper |
| Model | PL-Black-3 |
| Model Number | PL-Black-3 |
| Recommended Uses | Trailers, Box Trucks, Sheds, Vans, Containers |
| Special Feature | Anti-Bump, Anti-Corrosion, Cut Resistant, One-Touch Lock, Weather Resistant |
| Style Name | Hidden Shackle |
Listed on Amazon as: Trailer Door Lock – Keyed Alike Puck Locks for Trailers, Vans & Sheds, Push-to-Lock Mechanism, Hidden Shackle Design, Heavy-Duty Enclosed Trailer Locks (Black, 3 Pack, 9 Keys)
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#3 · Best XL Aluminum
3. NiwNiw XL Puck Locks
- Material: Aluminum
- Material Type: Aluminum
Best for: Lightweight aluminum puck pair.
Why it ranks #3: These keyed-alike locks use anodized 6061 aluminum, a hidden shackle, and push-to-lock operation for enclosed trailers, trucks, and vans.
Anodized 6061 aluminum gives the NiwNiw puck-lock pair a corrosion-resistant, manageable-weight alternative to steel-bodied locks. Its hidden-shackle design surrounds the shackle and locking pin to reduce exposed areas for bolt cutters and prying tools, while push-to-lock operation suits buyers securing compatible enclosed-trailer, truck, or van hasps.
The 6061 aluminum body balances strength with manageable weight, and its anodized finish helps resist moisture, surface wear, and regular outdoor exposure. A hidden shackle surrounds the locking components to reduce access for bolt cutters and prying tools. Push-to-lock operation can speed routine securing, while the stepped-back design is a listed feature of this puck style. The set is keyed alike and intended for enclosed trailers, trucks, and vans; compatibility still depends on the hasp.
- 6061 aluminum body with manageable weight
- Anodized finish helps resist moisture and surface wear
- Hidden shackle reduces exposed tool access
- Keyed alike with push-to-lock operation
- The listing does not state how many keys are included.
Skip it if you need a stated key count before selecting a set; the listing identifies keys but gives no quantity.
Choose the NiwNiw pair if you want aluminum puck locks with a hidden shackle for compatible trailer, truck, or van hasps. Its lighter material and outdoor finish suit routine exposure, but the hasp must accept the puck format.
Full product details
| Brand | NiwNiw |
|---|---|
| Color | Black |
| Included Components | keys |
| Manufacturer | NiwNiw |
| Manufacturer Warranty Description | NO |
| Material | Aluminum |
| Model | Puck Locks for Trailers |
| Model Number | BQS-001 |
| Special Feature | Corrosion Resistant, Hidden Shackle, Keyed Alike, One-Touch Lock, Stepped-Back Design |
| Style | Industrial |
| Style Name | Industrial |
Listed on Amazon as: XL Puck Locks for Trailers, Keyed Alike Trailer Door Locks, Hidden Shackle, Push-to-Lock, Anodized 6061 Aluminum for Enclosed Trailers, Trucks and Vans (2, Black)
View on AmazonWhy it ranks #4: The two-pack has keyed-alike locks with concealed shackles and weather-resistant construction; the listing says they fit most hasps and commercial locking systems.
Compatibility with most hasps and commercial locking systems gives the Trimax THP2XL a broad stated application across storage units, garages, and roll-up doors. The two keyed-alike puck locks use concealed shackles that make bolt-cutter access harder, suiting buyers who want shared-key hasp security across multiple locations.
The concealed shackle limits access for bolt cutters, while the weather-resistant construction is intended to protect against rust and corrosion in exposed settings. Two keyed-alike locks let one key system serve more than one compatible locking point, and the included keychain helps keep keys together. The listing describes compatibility with most hasps and commercial locking systems, including storage units, garages, and roll-up doors; check that the particular locking point accepts the puck-style body.
- Two locks keyed alike
- Concealed shackle makes bolt-cutter access harder
- Weather-resistant against rust and corrosion
- Listed for most hasps and commercial locking systems
- The listing does not specify the lock's body material.
Skip it if you need a stated lock-body material before choosing; this listing does not identify one.
The THP2XL suits buyers securing multiple compatible hasps at trailers, garages, storage units, or roll-up doors with keyed-alike locks. The broad compatibility claim still depends on the specific locking point accepting its puck-style body.
Full product details
| Brand | Trimax |
|---|---|
| Color | Chrome |
| Included Components | Lock, Keychain |
| Item Dimensions | 4.4 x 4 x 7.9 inches |
| Dimensions | 4.4 x 4 x 7.9 inches |
| Manufacturer | Trimax |
| Part Number | THP2XL |
| Manufacturer Warranty Description | Manufacturer |
| Model | THP2XL w/ Keychain |
| Model Number | THP2XL |
| Special Feature | Hidden Shackle |
| Style | Hidden Shackle Puck Style |
| Style Name | Hidden Shackle Puck Style |
Listed on Amazon as: TRIMAX THP2XL Trailer Door Lock, 2-Pack Keyed Alike, Bundled w/Keychain
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#5 · Best Solid Steel
5. Pomunty Three-Pack Puck Locks
- Material: Alloy Steel
- Material Type: Alloy Steel
- Dimensions: 2.8 x 2.8 x 1.5 in
Best for: Heavy-steel three-lock set.
Why it ranks #5: Three keyed-alike locks use 45# solid steel bodies, brass cylinders, and hidden shackles; the listing notes that this closed-shackle design has specialized fit.
A 45# solid-steel body weighing about two pounds per lock gives the Pomunty three-pack a distinctly heavy-duty profile. Its hidden-shackle design and keyed-alike arrangement target buyers securing compatible trailer or storage hasps, with three locks in the set for covering multiple locking points.
The steel body is described as cut-resistant and anti-saw, addressing tool access at compatible hasps, while the hidden shackle keeps the shackle less exposed. A brass cylinder with six pins provides the listed cylinder configuration, and chrome plating is said to improve surface smoothness and wear resistance for outdoor use. The three-lock set includes six keys. Its closed-shackle design is explicitly described as limited and specialized, so the hasp and lock interface is an important fit consideration.
- 45# solid-steel body
- Hidden shackle with cut- and saw-resistant claims
- Brass six-pin cylinder
- Three keyed-alike locks with six keys
- The closed-shackle design has limited, specialized use.
Skip it if you need a broadly compatible lock for varied hasps; this closed-shackle design is described as limited and specialized.
This Pomunty set suits buyers seeking heavy steel and hidden-shackle protection across compatible trailer or storage hasps. Its specialized closed-shackle use makes checking the locking interface especially important before choosing it.
Full product details
| Brand | Pomunty |
|---|---|
| Color | Black 3 Pack |
| Included Components | 6Keys |
| Item Dimensions | 2.8 x 2.8 x 1.5 inches |
| Dimensions | 2.8 x 2.8 x 1.5 inches |
| Manufacturer | Pomunty |
| Part Number | SX-01-234 |
| Material | Alloy Steel |
| Model | Puck Locks for Trailers Keyed Alike |
| Model Number | SX-01-234 |
| Recommended Uses | NOTE: Due to this closed shackle design, the use of this lock is very limited and specialized and therefore not suitable for everyone. we strongly recommend measuring the panels, doors and checking access to determine if this lock will fit your model. Pictures of the trailer itself are for illustrat |
| Special Feature | Anti-Saw, Cut Resistant, Heavy Duty, Hidden Shackle, Keyed Alike |
| Style Name | Modern |
Listed on Amazon as: 3 Pack Puck Locks for Trailers Keyed Alike 2-7/8” Hidden Shackle Padlocks Heavy Duty Solid Steel Trailer Door Lock W/6 Keys High Security Anti Theft Van Door Lock for Trucks Shed
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#6
6. Pomunty Two-Pack Puck Locks
- Material: Alloy Steel
- Material Type: Alloy Steel
- Dimensions: 2 x 2 x 2 in
Best for: Two-lock steel hasp set.
Why it ranks #6: This two-pack shares the 45# solid steel construction, brass cylinder, and hidden-shackle design, but includes fewer locks than the three-pack version.
Two keyed-alike locks make this Pomunty set a compact choice for securing a pair of compatible trailer-door hasps. Each uses a 45# solid-steel body and hidden shackle, with anti-cut and anti-saw features aimed at buyers who want heavy-duty puck-style protection rather than a replacement entry latch.
The solid-steel body is described as cut-resistant and anti-saw, while the hidden shackle reduces exposed access to the locking area. A brass cylinder with six pins supplies the listed cylinder configuration, and chrome plating is said to improve smoothness and wear resistance on the surface. The two-lock pack includes four keys, allowing shared access across both locks. The product’s closed-shackle format has limited, specialized use, so compatibility with the intended hasps matters.
- Two locks keyed alike
- 45# solid-steel bodies
- Hidden shackle with anti-cut and anti-saw claims
- Includes four keys
- The closed-shackle format has limited, specialized use.
Skip it if you need a lock for varied or nonmatching hasps; this closed-shackle style is described as limited and specialized.
Choose this two-pack if you need keyed-alike steel puck locks for two compatible trailer-door hasps. Its heavy body and hidden shackle suit a security-focused setup, but its specialized closed-shackle fit limits where it can be used.
Full product details
| Brand | Pomunty |
|---|---|
| Color | Black 2 Pack |
| Included Components | 4Keys |
| Item Dimensions | 2 x 2 x 2 inches |
| Dimensions | 2 x 2 x 2 inches |
| Manufacturer | Pomunty |
| Part Number | SX-01-234 |
| Material | Alloy Steel |
| Model | Puck Locks for Trailers Keyed Alike |
| Model Number | SX-01-234 |
| Recommended Uses | NOTE: Due to this closed shackle design, the use of this lock is very limited and specialized and therefore not suitable for everyone. we strongly recommend measuring the panels, doors and checking access to determine if this lock will fit your model. Pictures of the trailer itself are for illustrat |
| Special Feature | Anti-Saw, Cut Resistant, Heavy Duty, Hidden Shackle, Keyed Alike |
| Style Name | Modern |
Listed on Amazon as: Trailer Door Locks Heavy Duty Keyed Alike Hockey Puck Lock 2 Pack
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#7
7. Kohree RV Door Lock
- Material: Zinc
- Material Type: Zinc
- Dimensions: 6 x 4 x 2 in
Best for: Zinc-alloy latch replacement.
Why it ranks #7: This zinc-alloy replacement latch has a paddle deadbolt, four keys, two plates, and eight screws, but suits RV entry doors rather than hasps.
A thickened solid base is the Kohree’s clearest practical distinction, supporting stable installation of this paddle-deadbolt RV door replacement. Its 100% zinc-alloy construction and four included alike keys suit owners replacing an entry latch who want a keyed door lock rather than a separate hasp-mounted puck lock.
Kohree uses multiple casting processes and a zinc-alloy body with oxidation and wear resistance, features tied to outdoor durability. The thickened solid base supports stable installation, while the deadbolt adds a locking point at the RV entry door. Four keys and two plates are supplied, so several users can share keyed access and the replacement comes with mounting components; eight screws are also included. The product is listed at 6 x 4 x 2 inches.
- 100% zinc-alloy construction
- Thickened solid base supports stable installation
- Paddle deadbolt for RV entry-door security
- Includes four keys, two plates, and eight screws
- It is an entry-door latch, not a hasp-mounted puck lock.
Skip it if you need a lock that fits over an exterior hasp; this Kohree is a paddle-deadbolt RV door replacement.
Pick the Kohree when replacing an RV entry latch and you value its zinc-alloy body, solid base, and included mounting pieces. It is a door-lock replacement, not a puck-style lock for trailer hasps.
Full product details
| Brand | Kohree |
|---|---|
| Color | Black |
| Included Components | 1 x RV Lock, 2 x Plates, 4 x Keys, 8 x Screws |
| Item Dimensions | 6 x 4 x 2 inches |
| Item Weight | 325 g |
| Dimensions | 6 x 4 x 2 inches |
| Manufacturer | Kohree |
| Part Number | HY1206-KO-US-FBA |
| Material | Zinc |
| Model | rv door lock |
| Model Number | 90608fc2-ec83-4b87-ae68-60c9a3983e0f |
| Recommended Uses | RV Door Lock |
| Special Feature | Rust Proof, durable |
| Style Name | Latch |
Listed on Amazon as: Kohree RV Door Lock Replacement with Paddle Deadbolt, 100% Zinc Alloy
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#8
8. Siasky RV Door Lock
- Material: Aluminum, Metal, Zinc
- Material Type: Aluminum, Metal, Zinc
- Dimensions: 6.22 x 2.32 x 4.26 in
Best for: Keyed RV entry replacement.
Why it ranks #8: The zinc-alloy RV latch includes four keys, two tongue-buckle plates, and six pairs of screws; it replaces an entry latch, not a hasp lock.
A paddle deadbolt with four alike keys makes the Siasky a replacement-style option for RV entry doors, rather than a puck lock for an exterior hasp. Its zinc-alloy construction and internal paddle operation suit owners seeking a door latch that can be unlocked from inside as well as secured with a key outside.
The zinc-alloy body is described as corrosion-, scratch-, and oxidation-resistant, supporting use on a trailer exposed to outdoor conditions. The internal paddle deadbolt can be rotated to unlock from inside, while four alike keys let several users share access without carrying different keys. Two tongue buckle plates and six pairs of various screws are included, giving the replacement installation more hardware options; the listed dimensions are 6.22 x 2.32 x 4.26 inches.
- Internal paddle deadbolt rotates to unlock from inside
- Four alike keys included
- Zinc-alloy construction is described as corrosion-resistant
- Includes two tongue buckle plates and six pairs of screw types
- This is an entry-door latch, not a puck lock for hasps.
Skip it if you need a hasp-mounted puck lock; this product is an RV entry latch with an internal paddle deadbolt.
Choose the Siasky if you are replacing an RV or trailer entry latch and want keyed access plus an inside paddle release. Its role is door-latch replacement, so it is not the right form for locking an exterior hasp.
Full product details
| Brand | Siasky |
|---|---|
| Color | Black |
| Included Components | 1 Instruction Booklet, 2 RV Lock Tongue Buckle Plates, 4 Keys, 6 Pairs of Various Types of Screws |
| Item Dimensions | 6.22 x 2.32 x 4.26 inches |
| Item Weight | 0.72 kg |
| Dimensions | 6.22 x 2.32 x 4.26 inches |
| Manufacturer | Siasky |
| Part Number | 44d5598f-cf1d-4ac6-92b4-4048096ce2e8 |
| Material | Aluminum, Metal, Zinc |
| Model Number | 44d5598f-cf1d-4ac6-92b4-4048096ce2e8 |
| Recommended Uses | Securing RVs and related vehicles |
| Special Feature | Weather Resistant |
| Style Name | Modern |

#9
9. LATCH.IT RV Door Lock
- Material: Metal, Plastic, Zinc
- Material Type: Metal, Plastic, Zinc
- Dimensions: 3.5 x 1.5 x 4.37 in
Best for: Measured RV latch replacement.
Why it ranks #9: This metal replacement latch includes four keys and mounting hardware, but only fits cutouts measuring 3.75 by 2.75 by 1.5 inches.
A precisely specified door cutout is central to the LATCH.IT replacement: it fits openings measuring 3.75 inches high, 2.75 inches wide, and 1.5 inches thick. That defined fit makes it a candidate for owners replacing a matching RV latch, while the metal construction offers an alternative to flimsy plastic latches.
The stated cutout dimensions give buyers concrete measurements to compare before installation, helping avoid a mismatch with a similar-looking latch. Its metal construction is presented as stronger than plastic alternatives, and the water-resistant design supports use on an RV door exposed to weather. The package includes four keys, four screws, mounting hardware, and an owner’s manual. The listing specifically excludes Class A and Class C RVs, so vehicle category matters alongside the opening measurements.
- Specifies a 3.75 x 2.75 x 1.5-inch cutout fit
- Metal construction
- Water-resistant design
- Includes four keys, screws, mounting hardware, and a manual
- Does not fit Class A or Class C RVs.
Skip it if you have a Class A or Class C RV, or your cutout differs from the stated dimensions; this latch is limited to its specified fit.
Choose the LATCH.IT if your RV door cutout matches the stated measurements and you want a metal replacement with included mounting hardware. Its fit is restricted, and the listing excludes Class A and Class C vehicles.
Full product details
| Brand | LATCH.IT |
|---|---|
| Color | Black |
| Included Components | 1x Door Handle, 4x Keys, 4x Screws, Mounting Hardware, Owner's Manual |
| Item Dimensions | 3.5 x 1.5 x 4.37 inches |
| Dimensions | 3.5 x 1.5 x 4.37 inches |
| Manufacturer | LATCH.IT |
| Part Number | LATCH09 |
| Material | Metal, Plastic, Zinc |
| Model | RV Mechanical Door Lock |
| Model Number | LATCH09 |
| Recommended Uses | Security |
| Special Feature | Anti-Corrosion, USA Owned Family Business!, Weather Resistant |
| Style Name | Latch |
Listed on Amazon as: LATCH.IT Black RV Door Lock Replacement | Fits 2.75"x3.75"x1.50" Lock Holes
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#10
10. CAMJOKE RV Door Lock
- Material: Metal, Zinc
- Material Type: Metal, Zinc
- Dimensions: 4.72 x 1 x 4.05 in
Best for: Right-hand RV door latch.
Why it ranks #10: This zinc-and-metal RV replacement lock includes four alike keys, but is specified for right-handed doors and excludes Class A and C RVs.
A U.S.-patented design with a stated right-hand-door orientation makes the CAMJOKE a fit-specific RV entry-lock option. It comes with four alike keys and installation parts, so owners with a compatible right-handed door can replace a latch and share access without carrying separate keys.
The listing limits this lock to right-handed doors and excludes Class A and Class C vehicles and glass doors, making those details central to fit decisions. Its metal-and-zinc construction and weather-resistant feature support use at an RV entry, while the included installation parts and instructions support replacement work. Four alike keys provide shared access for multiple users. The listed dimensions are 4.72 x 1 x 4.05 inches; the product is an entry lock, not a hasp-mounted puck lock.
- Four alike keys included
- Metal and zinc construction
- Weather-resistant feature
- Includes installation parts and instructions
- Fits right-handed doors only; it does not fit Class A or C or glass doors.
Skip it if you have a left-handed door, a glass door, or a Class A or C RV; this lock is limited to right-handed doors.
Consider CAMJOKE when replacing a compatible right-handed RV entry lock and shared keys are useful. Its orientation and vehicle exclusions are firm fit boundaries, so it is not a universal latch or a hasp lock.
Full product details
| Brand | CAMJOKE |
|---|---|
| Color | Black |
| Included Components | 1 Instructions, 4 Alike Keys, Installation Parts, RV LOCK X 1 |
| Item Dimensions | 4.72 x 1 x 4.05 inches |
| Dimensions | 4.72 x 1 x 4.05 inches |
| Manufacturer | CAMJOKE |
| Material | Metal, Zinc |
| Model | RVL-MB-AM |
| Model Number | RVL-MB-AM |
| Recommended Uses | Featuring a U.S.-patented design, Only Fit for Right-handed Door.Do not fit class A and C. NOT for glass doors., The lock hole opening size of 2.75" Wide x3.75" Height and doorthicknesses from 1.25" to 1.5". |
| Special Feature | Heat Resistant, Weather Resistant |
| Style Name | 4 Alike Keys 1 Upgraded Lock |
Listed on Amazon as: RV Door Locks, Camper Door Lock for RV Trailer with 4 Keys
View on AmazonCheck the Hasp Before Choosing a Puck Lock
A puck lock only works when its opening matches the hasp or locking hardware on the trailer. The Proven Industries Model 400XL lists a shackle opening of 1 3/4 by 1 3/4 by 7/8 inches and a depth of 1 1/4 inches, so compare those dimensions with your hardware rather than assuming puck locks are universal. Trimax says its THP2XL fits most hasps and commercial locking systems, but “most” does not confirm a particular fit.
The Pomunty listings explicitly caution that their closed-shackle design is limited and specialized. Separate from hasp fit, the RV replacement latches have door-cutout requirements: LATCH.IT specifies a 3.75-by-2.75-by-1.5-inch cutout, while CAMJOKE specifies a right-handed door and excludes Class A and C RVs.
These are different lock categories, not interchangeable solutions.
Understand Concealed-Shackle Trade-Offs
A concealed shackle reduces exposed metal that bolt cutters can reach, but the closed design can make hardware compatibility less forgiving. Several picks emphasize this protective layout: Proven Industries describes fully shielded shackles, while MILBOPAX and NiwNiw list hidden-shackle designs. Pomunty’s listings pair that format with 45# solid steel bodies and specifically warn that the design is specialized.
Material also changes the handling trade-off: MILBOPAX and NiwNiw use 6061 aluminum, whereas Pomunty lists alloy steel and approximately two pounds per lock. The Proven listing calls its bodies solid 6061 aluminum, but an additional product claim mentions hardened steel; rely on the clearly listed specifications when comparing materials.
Whichever type you choose, a lock is only one layer of security: it must fit the hardware and be installed and maintained as directed.
How to Choose an Enclosed Trailer Door Lock
Lock Style and Hardware Fit
Choose a lock style that matches the hardware already on your trailer. The puck-lock options are designed for compatible hasps, while the Siasky, Kohree, LATCH.IT, and CAMJOKE products are replacement RV entry-door latches. Fit details vary: Proven Industries lists a shackle opening of 1 3/4 by 1 3/4 by 7/8 inches, Trimax says its lock fits most hasps, and Pomunty warns its closed-shackle style has specialized use.
LATCH.IT requires a 3.75-by-2.75-by-1.5-inch door cutout. If you already have a compatible hasp, compare puck-lock dimensions; if replacing an entry latch, match the door cutout and orientation first.
Body Material and Lock Format
Compare body materials and construction alongside the lock’s concealed-shackle design. Proven Industries lists solid 6061 aluminum, while MILBOPAX and NiwNiw specify 6061 aluminum alloy; the NiwNiw product also has an anodized finish. Pomunty instead lists alloy steel and describes a 45# solid steel body weighing approximately two pounds per lock.
The aluminum options suit buyers who prefer the listed alloy construction and, for NiwNiw, a manageable-weight design; the Pomunty option suits buyers who favor the listed solid-steel construction and accept its weight. These material descriptions do not establish a universal strength ranking, so use the specific product and fit details rather than assuming one material is always superior.
Pack Size and Key Convenience
Choose the number of locks and keys that suits the doors you need to secure. Proven Industries, MILBOPAX, and Pomunty Three-Pack Puck Locks each offer three locks; the MILBOPAX package lists nine keys, while Proven Industries describes its locks as keyed alike. Pomunty Two-Pack Puck Locks and Trimax THP2XL provide two locks, and Trimax also lists keyed-alike operation.
The RV entry-lock products typically include four keys for one replacement latch. A three-pack can suit a trailer with multiple compatible locking points, while a two-pack may be enough for fewer doors.
Check the included key count and keyed-alike details for the exact listing before deciding how many sets you need.
Which Trailer Door Lock Should You Choose?
For a compatible enclosed-trailer hasp and multiple locking points, choose Proven Industries Model 400XL: its three keyed-alike locks, 6061 aluminum bodies, and listed shackle dimensions make it the strongest match in this group. If you want push-to-lock operation, MILBOPAX Puck Locks provide three 6061 aluminum locks, while NiwNiw XL Puck Locks offer a two-lock, keyed-alike option with an anodized finish. For buyers who prefer the listed solid-steel construction, Pomunty Three-Pack Puck Locks supply three locks, but check the stated specialized fit.
Trimax THP2XL is a two-pack option described as fitting most hasps. Choose an RV entry latch only when replacing that type of hardware; LATCH.IT requires exact cutout measurements, and CAMJOKE is limited to right-handed doors.
Related Buying Guides
Frequently Asked Questions
How do I measure a trailer hasp to check puck-lock fit?
Measure the hasp’s clear opening where the lock shackle must pass, including its width, height, and usable depth. Compare those measurements with the lock’s stated shackle dimensions, allowing for any obstruction or variation in the hasp. If the listed dimensions do not clearly match, confirm compatibility before ordering.
Can I use a puck lock on a trailer door without a compatible hasp?
No. A puck lock needs a compatible hasp or locking point to secure the door. Check that the hasp accepts the lock’s stated shackle dimensions and that the door hardware provides a suitable attachment point.
If it does not, use compatible hardware or choose a lock designed for your door type.
How should I maintain a trailer lock exposed to harsh weather?
Follow the lock maker’s maintenance guidance, especially for the cylinder. Keep the lock clean and check it periodically for dirt, moisture, or signs of corrosion that could affect operation. After exposure to harsh conditions, inspect that the key and locking mechanism work normally; do not use a lubricant unless the manufacturer recommends it.
How do I choose between a puck lock and an RV entry latch?
Choose a puck lock when your enclosed trailer has a compatible hasp and you want to secure its exterior locking point. Choose an RV entry latch only when replacing that style of door hardware. For replacement latches, verify the door’s cutout dimensions and any stated door-hand orientation before selecting a product.
What does keyed alike mean for a multi-lock set?
Keyed alike means the locks in that set are intended to operate with the same key, which can simplify managing multiple locking points. Check the product listing to confirm which locks are included in the keyed-alike arrangement, and keep track of the supplied keys for the set.
Final Words
For a compatible enclosed-trailer hasp and multiple locking points, the Proven Industries Model 400XL is the strongest match here: it includes three keyed-alike locks, shielded shackles, and 6061 aluminum bodies. Confirm your hasp accepts its stated shackle opening before ordering, and follow its cylinder-maintenance guidance. Consider MILBOPAX for push-to-lock operation, NiwNiw for a two-lock keyed-alike set, or another listed option when its construction or fit better matches your needs.


