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We carefully research and manufacture our locking systems from conception to fabrication in the USA. Heavy-duty trailer lock: it’s important to do everything you can to protect your belongings and your trailer or camper from being stolen.
This strong coupler lock fits select 2 5/16-inch Airstream trailer couplers and will keep your trailer secure. Tough lock: the locking parts on this device are constructed from hardened steel for increased security, bolt cutters, hammers, and the exterior cover is tough enough to prevent burglars from using power tools, and crowbars on your lock.

We carefully research and manufacture our locking systems from conception to fabrication in the USA. Make sure to check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
Custom trailer-coupler lock: this custom-tailored lock will only mount on very specific 2 5/16-inch couplers. Unique key design: our trailer lock has a special key design that prevents anyone from picking the lock. This innovative key system also features an interior locking mechanism that stops would-be thieves from making a copy of your key. Our strong coupler lock fits select 2 5/16-inch trailer couplers to help keep your trailer secure.


Unique key design: this trailer lock has a special key design that prevents lockpicking. This strong coupler lock fits select 2 5/16-inch Ram or BullDog trailer couplers and will keep your trailer secure. Tough lock: the locking parts on this device are constructed from hardened steel for increased security, hammers, and the exterior cover is tough enough to prevent burglars from using power tools, bolt cutters, and crowbars on your lock.
We carefully research and manufacture our locking systems from conception to fabrication in the USA. Heavy-duty trailer lock: it’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. Proven industries: we are dedicated to providing our customers with the most effective trailer locks on the market.

This custom-tailored lock will only mount on specific 2 5/16-inch Jayco couplers. Check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
Tough lock: the locking parts on this device are constructed from hardened steel for increased security, hammers, and the exterior cover is tough enough to stop burglars from using power tools, and crowbars on your lock. This strong coupler lock fits select 2 5/16-inch Jayco trailer couplers to help keep your trailer secure. This innovative key system also features an interior locking mechanism that stops would-be thieves from making a copy of your key.

Proven industries: we are dedicated to providing our customers with the most effective trailer locks on the market. Make sure to check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
This custom-tailored lock will only mount on specific 2-inch couplers. Unique key design: our trailer lock has a special key design that prevents anyone from picking the lock. Heavy-duty trailer lock: it’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. Our strong coupler lock fits select 2-inch trailer couplers to help keep your trailer secure.

The shackle opening measures 1 3/4" l x 1 3/4" W x 7/8" H and has a depth of 1 1/4". We carefully research and manufacture our locking systems from conception to fabrication in the USA.
Tough puck locks: these padlock cylinders are constructed from aircraft-grade 6061 solid aluminum, so they’re resistant to picking and corrosion. Unique key design: our puck locks have a special key design that prevents anyone from picking them or making a copy of your lock keys. Each lock comes with 2 keys, and all keys are keyed alike for your convenience.

This strong coupler lock fits select 2-inch trailer couplers and will keep your vehicle or boat secure. Custom trailer-coupler lock: this custom-tailored lock will only mount on specific 2-inch couplers.
Our innovative key system also features an interior locking mechanism that stops would-be thieves from making a copy of your key. Next level security: we are dedicated to providing our customers with the most effective trailer locks on the market. Check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.

Easy installation: Easy to follow instructions to ensure maximum protection for your trailer or storage container. Electroplated and powder coated finish. Does not fit airstream trailers universal fit trailer locks: Universal for any size ball: 1-7/8", 2", 2-5/16" or ring/pintle type hitch.

1. Proven Industries
#ad
Fits 1997-2019 2 5/16-Inch Airstream Couplers, Made in The USA Black, Proven Industries Model 2516-AS Trailer Lock
#adProven Industries #ad - Proven industries: we are dedicated to providing our customers with the most effective trailer locks on the market. Unique key design: this trailer lock has a special key design that prevents lockpicking. Check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.We carefully research and manufacture our locking systems from conception to fabrication in the USA. Heavy-duty trailer lock: it’s important to do everything you can to protect your belongings and your trailer or camper from being stolen.
More information #ad
Custom trailer-coupler lock: this custom-tailored lock will only mount on specific 2 5/16-inch Airstream couplers. Our innovative key system also features an interior locking mechanism that deters would-be thieves from making a copy of your key. This strong coupler lock fits select 2 5/16-inch Airstream trailer couplers and will keep your trailer secure. Tough lock: the locking parts on this device are constructed from hardened steel for increased security, bolt cutters, hammers, and the exterior cover is tough enough to prevent burglars from using power tools, and crowbars on your lock.
Brand | Proven Industries #ad |
Manufacturer | Proven Locks #ad |
Weight | 10 Pounds |
Part Number | 2516 AS |
Model | 2516 AS |
More information #ad
2. Proven Industries
#ad
Proven Industries Model 2516 Trailer Lock, Secures Safety Chains, Blue, Fits 2 5/16-Inch Couplers, Made in The USA
#adProven Industries #ad - Tough lock: the locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to stop burglars from using power tools, hammers, and crowbars on your lock. Heavy-duty trailer lock: it’s important to do everything you can to protect your belongings and your trailer or camper from being stolen.We carefully research and manufacture our locking systems from conception to fabrication in the USA. Make sure to check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
More information #ad
Proven industries: we are dedicated to providing our customers with the most effective trailer locks on the market. Custom trailer-coupler lock: this custom-tailored lock will only mount on very specific 2 5/16-inch couplers. Unique key design: our trailer lock has a special key design that prevents anyone from picking the lock. This innovative key system also features an interior locking mechanism that stops would-be thieves from making a copy of your key. Our strong coupler lock fits select 2 5/16-inch trailer couplers to help keep your trailer secure.
Brand | Proven Industries #ad |
Manufacturer | Proven Locks #ad |
Weight | 10 Pounds |
Part Number | 2516 |
Model | 2516 |
More information #ad
3. AMPLOCK
#ad
AMPLOCK U-BRP2516 RV/Trailer Coupler Lock fits 2 5/16 inches Coupler
#adAMPLOCK #ad - Molded to fit the specific shape of your trailer or Caravan RV 2 5/16 inches coupler when unhitched. Easy to use with ampLOCK’s push and lock system.More information #ad
Materials used by ampLOCK provide good rust resistance for use in all climates. The strongest lock to secure your trailer or caravan RV made with high quality materials and control and identification key system.Brand | AMPLOCK #ad |
Manufacturer | AMP #ad |
Height | 8.5 Inches |
Length | 7 Inches |
Weight | 12 Pounds |
Width | 6 Inches |
Part Number | 8 87613 30016 7-a |
Model | 8 87613 30016 7-a |
Warranty | AMP Drummond Inc. (the ''Company'') provides a one-year limited warranty from the original date of purchase by the end-user of the products manufactured by the Company (the ''Product'') against defects in material and workmanship. This limited warranty is non-transferrable and is subject to certain restrictions. The provisions of this warranty do not apply to Products: (i) used for purposes for which they are not designed or intended; (ii) which have been altered or abused; or (iii) which have been used in violation of any written instructions provided by the Company. SOLE REMEDY; NO ADMISSION The company's sole obligation under this warranty shall be to replace the Product. In no event shall the Company's acceptance to replace a Product be construed as an admission of liability of any kind, including, without limitation, that the Product returned was in fact defective. |
More information #ad
4. Proven Industries
#ad
Made in The USA, Fits 2 5/16-Inch Bulldog or Ram Trailer Couplers, Proven Industries Model 2516-B Trailer Lock, Black
#adProven Industries #ad - Our innovative key system also features an interior locking mechanism that deters would-be thieves from making a copy of your key. Custom trailer-coupler lock: this custom-tailored lock will only mount on specific 2 5/16-inch Ram or BullDog couplers.Unique key design: this trailer lock has a special key design that prevents lockpicking. This strong coupler lock fits select 2 5/16-inch Ram or BullDog trailer couplers and will keep your trailer secure. Tough lock: the locking parts on this device are constructed from hardened steel for increased security, hammers, and the exterior cover is tough enough to prevent burglars from using power tools, bolt cutters, and crowbars on your lock.
More information #ad
Check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler. We carefully research and manufacture our locking systems from conception to fabrication in the USA. Heavy-duty trailer lock: it’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. Proven industries: we are dedicated to providing our customers with the most effective trailer locks on the market.
Brand | Proven Industries #ad |
Manufacturer | Proven Locks #ad |
Part Number | 2516 B |
More information #ad
5. Proven Industries, Inc
#ad
Made in The USA, Blue, Proven Industries Model 2516-J Trailer Lock, Secures Safety Chains, Fits 2 5/16-Inch Jayco Couplers
#adProven Industries, Inc #ad - Unique key design: our trailer lock has a special key design that prevents anyone from picking the lock. We carefully research and manufacture our locking systems from conception to fabrication in the USA. Proven industries: we are dedicated to providing our customers with the most effective trailer locks on the market.This custom-tailored lock will only mount on specific 2 5/16-inch Jayco couplers. Check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
More information #ad
Heavy-duty trailer lock: it’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. Custom trailer-coupler lock: our patented lock design will allow you to secure most standard S-hook style safety chains in lock. Tough lock: the locking parts on this device are constructed from hardened steel for increased security, hammers, and the exterior cover is tough enough to stop burglars from using power tools, and crowbars on your lock. This strong coupler lock fits select 2 5/16-inch Jayco trailer couplers to help keep your trailer secure. This innovative key system also features an interior locking mechanism that stops would-be thieves from making a copy of your key.
Brand | Proven Industries, Inc #ad |
Manufacturer | Proven Industries, Inc #ad |
Weight | 10 Pounds |
Part Number | 2516-J |
More information #ad
6. Proven Industries
#ad
Made in The USA, Fits 2-Inch Trailer Couplers, Proven Industries Model 2178 Trailer Lock, Blue, Secures Safety Chains
#adProven Industries #ad - We carefully research and manufacture our locking systems from conception to fabrication in the USA. This innovative key system also features an interior locking mechanism that stops would-be thieves from making a copy of your key. Custom trailer-coupler lock: our patented lock design will allow you to secure most standard S-hook style safety chains in lock.Proven industries: we are dedicated to providing our customers with the most effective trailer locks on the market. Make sure to check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
More information #ad
Tough lock: the locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to stop burglars from using power tools, hammers, and crowbars on your lock. This custom-tailored lock will only mount on specific 2-inch couplers. Unique key design: our trailer lock has a special key design that prevents anyone from picking the lock. Heavy-duty trailer lock: it’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. Our strong coupler lock fits select 2-inch trailer couplers to help keep your trailer secure.
Brand | Proven Industries #ad |
Manufacturer | Proven Industries, Inc #ad |
Height | 50 Centimeters |
Length | 100 Centimeters |
Weight | 100 Kilograms |
Width | 100 Centimeters |
Part Number | 2178 |
Model | 2178 |
More information #ad
7. Proven Industries, Inc
#ad
Made in The USA, Blue, Pack of 2, Proven Industries Model 400XL Puck-Lock Set
#adProven Industries, Inc #ad - Our strong and pick-resistant puck locks help keep your rear and side enclosed trailer doors secure. Proven industries: we are dedicated to providing our customers with the most effective trailer locks on the market. Each lock features a hidden and fully-shielded shackle that protects against bolt cutters and prying tools.The shackle opening measures 1 3/4" l x 1 3/4" W x 7/8" H and has a depth of 1 1/4". We carefully research and manufacture our locking systems from conception to fabrication in the USA.
More information #ad
Lock dimensions & sizes: each puck lock has a large opening on the back to accommodate for swivel hasps on an enclosed trailer door. Heavy-duty puck locks: it’s important to do everything you can to protect your belongings and your trailer from being stolen. Tough puck locks: these padlock cylinders are constructed from aircraft-grade 6061 solid aluminum, so they’re resistant to picking and corrosion. Unique key design: our puck locks have a special key design that prevents anyone from picking them or making a copy of your lock keys. Each lock comes with 2 keys, and all keys are keyed alike for your convenience.
Brand | Proven Industries, Inc #ad |
Manufacturer | Proven Locks #ad |
Part Number | 400XL |
Model | 400XL |
More information #ad
8. Proven Industries
#ad
Proven Locks Model S175: 2 inch Trailer Hitch Lock, Fits Select 2 inch Couplers
#adProven Industries #ad - Heavy-duty trailer lock: it’s important to do everything you can to protect your belongings and your boat or trailer from being stolen. Tough rv lock: our lock uses a solid stainless steel locking pin encased in a ductile iron shell for increased security.This strong coupler lock fits select 2-inch trailer couplers and will keep your vehicle or boat secure. Custom trailer-coupler lock: this custom-tailored lock will only mount on specific 2-inch couplers.
More information #ad
Unique key design: this boat and trailer lock has a special key design that prevents anyone from picking the lock. The exterior cover has a black powder-coated finish and is tough enough to stop burglars from using bolt cutters and crowbars on your lock. Our innovative key system also features an interior locking mechanism that stops would-be thieves from making a copy of your key. Next level security: we are dedicated to providing our customers with the most effective trailer locks on the market. Check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
Brand | Proven Industries #ad |
Manufacturer | Proven Industries, Inc #ad |
Part Number | S175 |
Model | S175 |
More information #ad
9. THE EQUIPMENT LOCK COMPANY
#ad
Red, Equipment Lock BRHL, Secure Trailer Hitch Lock, Trailer Accessories, Steel Ball and Ring Hitch Lock, Durable, Electro-Plated and Powder Coated Finish
#adTHE EQUIPMENT LOCK COMPANY #ad - High quality: built with 3/8″ plate steel and a 1″ solid steel shaft. Keep your belongings secure: ensure maximum security for your trailers.Easy installation: Easy to follow instructions to ensure maximum protection for your trailer or storage container. Electroplated and powder coated finish. Does not fit airstream trailers universal fit trailer locks: Universal for any size ball: 1-7/8", 2", 2-5/16" or ring/pintle type hitch.
More information #ad
Fits most enclosed, car, landscape, boat, flatbed, and utility trailer on the market today. Keyed security lock: Built in high security barrel lock system including 2 keys.Brand | THE EQUIPMENT LOCK COMPANY #ad |
Manufacturer | The Equipment Lock Company #ad |
Height | 4.1 Inches |
Length | 8.1 Inches |
Weight | 1 Pounds |
Width | 5.7 Inches |
Part Number | BRHL |
Model | B005CIGVGM |
More information #ad
10. AMPLOCK
#ad
AMPLOCK U-BRA2516 Trailer Coupler Lock fits 2 5/16 inches Coupler
#adAMPLOCK #ad - Easy to use with ampLOCK’s push and lock system. Molded exactly to fit the specific shape of your 2 5/16 inches trailer coupler when unhitched.More information #ad
Materials used by ampLOCK provide good rust resistance for use in all climates. The strongest lock to secure your trailer made with high quality materials and control and identification key system.Brand | AMPLOCK #ad |
Manufacturer | AMPLOCK #ad |
Height | 8.5 Inches |
Length | 7 Inches |
Weight | 12 Pounds |
Width | 6 Inches |
Part Number | U-BRA2516 |
Warranty | AMP Drummond Inc. (the ''Company'') provides a one-year limited warranty from the original date of purchase by the end-user of the products manufactured by the Company (the ''Product'') against defects in material and workmanship. This limited warranty is non-transferrable and is subject to certain restrictions. The provisions of this warranty do not apply to Products: (i) used for purposes for which they are not designed or intended; (ii) which have been altered or abused; or (iii) which have been used in violation of any written instructions provided by the Company. SOLE REMEDY; NO ADMISSION The company's sole obligation under this warranty shall be to replace the Product. In no event shall the Company's acceptance to replace a Product be construed as an admission of liability of any kind, including, without limitation, that the Product returned was in fact defective. |
More information #ad