As an Amazon Associate I earn from qualifying purchases.
Coupler locking hitch pin's Application: Tow Trailer Boat RV Truck Car. Small size for easy carrying. Keeping the coupler lock in your pocket or vehicle anywhere that is fine.

Convenient to use. You can put the spare key in a separate location for emergencies. Widely used: 1/4" trailer lock with maximum 3-3/8'' effective span, our trailer coupler lock fits latch-type couplers for towing boat truck RV car.
The watertight rubber cap keep rain, ice and dirt out. Coated with black electrophoretic paint to prevent corrosion. Please verify dimension and length of the pin before purchasing our trailer pin lock with keys. Kinds of weather can be handled. Please pull the lock head again to make sure that it is locked. Easy to use: czc auto dogbone style hitch lock has a 360 degree rotating head, easy to handle.

Any issue in using our trailer hitch coupler lock, your problem will be solved within 24 HOURS. The watertight rubber cap keeps rain, snow, ice and dirt out. Kinds of weather can be handled. For convenience, our lock comes with 2 keys each set.
Czc auto trailer hitch coupler locking pin's design. Made of high-strength steel and coated with black electrophoretic paint, the 1/4 inch trailer coupler lock is good at detering theft and preventing corrosion. Easy operate design: czc auto hitch lock can be easily locked and unlocked with key. Czc auto - reliable brand in towing sercurity industry.

Easy to use: czc auto trailer hitch coupler lock has a padlock style design with sturdy appearance to prevent theft.
Small size for easy carrying. Widely application: dia 1/4 inch trailer lock pin with maximum 3/4 inch effective span, Boat, Truck, our trailer coupler lock fits kinds of latch-type couplers for Towing Trailer, RV, Car and Tractors. You can put the spare key in a separate location for emergencies, or give it to your family for easy use. Please verify dimension and length of the pin before purchasing our trailer tongue lock. 2 keys included: for convenience, our gold trailer lock comes with two keys.

1/4 turn the key to open the coupler pin lock, the pin will pops-up automatically and comfortably. We offer 30-day money-back for any reason, simply contact us, 12-month warranty for quality-related issues.
1/4 inch diameter black tongue lock pin with 7/8 inch effective length. Any issue in using our trailer hitch coupler lock, your problem will be solved within 24 HOURS. Zinc alloy tubular lock core and more solid round key also help to improve security of the black coupler lock. Czc auto trailer hitch coupler locking pin's design. Our 1/4 inch trailer tongue lock is easy to lock and unlock. Security of our coupler locking pin.

Dogbone style hitch receiver lock : dia 5/8 inch pin with 3-1/2" effective length, perfect for Class III/IV 2", 2-1/2" hitch receiver tubes. And after locked, you just need to pull the lock head to ensure it is working.
Zinc alloy tubular lock core and more solid round key also help to improve security of the hitch locking pin & 1/4 Inch Coupler Locking Pin. Czc auto - reliable brand in hitch locks industry. Universal application of czc auto hitch pin lock kit. Hitch rack, hitch ball and tow rope, cargo hitch tray, bike rack, perfect for 2" and 2-1/2" receivers and latch-type couplers for towing purpose like trailer truck RV car boat. For convenience, our lock comes with 2 keys each set.

Easy to install: one piece design installs in seconds on the correct 2 5/16 inch couplers with a flat lip.

On both sides of the trailer lock to hang the safety chain, which prevents the safety chain from falling on the ground and getting wet and rusted. Trailer lock with hook nennicht us was the first in the industry to add additional hook functionality to both sides of the trailer lock.
It can stop burglars from picking your locks with power tools, hammers, and crowbars. It is important to do everything possible to protect your belongings and your trailer or camper from being stolen. For convenience, this unique key design, you can put the keys in different places for emergencies. Resists rust the hitch lock is finished with a durable powder coat finish to resist rust, corrosion, and weathering, suitable for all climates. The hooks can carry up to 110 lbs.

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. 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.

Please verify the size before purchasing czc auto trailer receiver lock set. Czc auto - reliable brand in hitch locks industry. Made of high-strength steel and coated with black electrophoretic paint, the 5/8 inch hitch pin lock & 1/4 inch trailer coupler lock is good at detering theft and preventing corrosion.
Dogbone style hitch receiver lock : dia 5/8 inch pin with 3-1/2" effective length, perfect for Class III/IV 2", 2-1/2" hitch receiver tubes. For convenience, our lock comes with 2 keys each set. Hitch rack, hitch ball and tow rope, cargo hitch tray, bike rack, perfect for 2" and 2-1/2" receivers and latch-type couplers for towing purpose like trailer truck RV car boat. Any issue in using our trailer hitch coupler lock, your problem will be solved within 24 HOURS. Security of 5/8 inch towing hitch lock & 1/4 inch coupler locking pin.
1. CZC AUTO
#ad
CZC AUTO Black Trailer Hitch Coupler Lock, 3/4 Inch Span for Tow Boat RV Truck Car's Coupler 1 Pack, Dia 1/4 Inch, Black
#adCZC AUTO #ad - How to operate our trailer tongue Coupler Lock: Spinning the flat key 5-7 times to open or close the hitch lock. Czc auto, we offer 30-day money-back for any reason, a reliable brand in hitch sercurity Industry, 12-month warranty for quality-related issues.Coupler locking hitch pin's Application: Tow Trailer Boat RV Truck Car. Small size for easy carrying. Keeping the coupler lock in your pocket or vehicle anywhere that is fine.
More information #ad
Security of our coupler locking pin: this trailer lock is made of high-strength steel to deter theft. The hitch lock is coated with black electrophoretic paint to prevent corrosion. Please verify dimension and length of the pin you want before purchasing our coupler hitch lock pin. Czc auto trailer hitch coupler locking pin design:1/4 inch diameter tongue lock pin with effective length 3/4 Inch.Brand | CZC AUTO #ad |
Manufacturer | CZC AUTO #ad |
Part Number | 11410 |
More information #ad
2. CZC AUTO
#ad
Trailer Coupler Lock 3-3/8" Span Trailer Tongue Lock Fits Latch-Type Coupler, CZC AUTO Trailer Lock 1/4" Dia, Black Trailer Pin Lock with Keys for Towing Boat Truck Trailer RV Car
#adCZC AUTO #ad - When you turn key to open the lock, the pin will pop up automatically. Dependable security: the trailer lock pin is made of carbon steel, solid and hard to bend. 2 keys included: for convenience, snow, our trailer hitch coupler lock comes with two keys.Convenient to use. You can put the spare key in a separate location for emergencies. Widely used: 1/4" trailer lock with maximum 3-3/8'' effective span, our trailer coupler lock fits latch-type couplers for towing boat truck RV car.
More information #ad
Warranty: we offer 30-day money-back for any reason, simply contact us, 12-month warranty for quality-related issues. Zinc alloy tubular lock core & solid round key also help to improve security. Please note: any problem in using czC AUTO trailer tongue lock, your problem will be solved within 24 HOURS. The watertight rubber cap keep rain, ice and dirt out. Coated with black electrophoretic paint to prevent corrosion. Please verify dimension and length of the pin before purchasing our trailer pin lock with keys. Kinds of weather can be handled. Please pull the lock head again to make sure that it is locked. Easy to use: czc auto dogbone style hitch lock has a 360 degree rotating head, easy to handle.
Brand | CZC AUTO #ad |
Manufacturer | CZC AUTO #ad |
Part Number | 11408 |
Model | 11408 |
More information #ad
3. CZC AUTO
#ad
Dia 1/4 Inch, CZC AUTO Trailer Tongue Coupler Lock, 2-1/2 Inch Span Fits Latch-Type Coupler for Towing Boat Truck RV Car Trailer
#adCZC AUTO #ad - And after locked, you just need to pull the lock head to ensure it is working. 1/4 inch diameter black tongue lock pin with 2-1/2 inch effective length. Zinc alloy tubular lock core and more solid round key also help to improve security of the black coupler lock.Any issue in using our trailer hitch coupler lock, your problem will be solved within 24 HOURS. The watertight rubber cap keeps rain, snow, ice and dirt out. Kinds of weather can be handled. For convenience, our lock comes with 2 keys each set.
More information #ad
Please verify the size before purchasing our trailer hitch coupler pin lock 1/4 inch. Application of the 1/4 trailer pin lock. Fits latch-type couplers for towing boat truck RV car. We offer 30-day money-back for any reason, simply contact us, 12-month warranty for quality-related issues. Czc auto trailer hitch coupler locking pin's design. Made of high-strength steel and coated with black electrophoretic paint, the 1/4 inch trailer coupler lock is good at detering theft and preventing corrosion. Easy operate design: czc auto hitch lock can be easily locked and unlocked with key. Czc auto - reliable brand in towing sercurity industry.
Brand | CZC AUTO #ad |
Manufacturer | CZC AUTO #ad |
Part Number | 11406 |
More information #ad
4. CZC AUTO
#ad
Coupler Lock 3/4 Inch Span Trailer Hitch Lock with Keys Trailer Coupler Lock for Tow Boat RV Truck Car's Coupler 1 Pack, Brass, CZC AUTO Trailer Lock Dia 1/4 Inch
#adCZC AUTO #ad - It can be easily locked and unlocked as you need. Please note: any problem in using czc AUTO products, simply contact us, your problem will be solved within 24 HOURS. Simply spin the flat key 5-7 times to open or close the trailer hitch lock. The lock is coated with gold electrophoretic paint and shielded with durable zinc plating to prevent corrosion, which can effectively extend the life of the hitch coupler lock.Easy to use: czc auto trailer hitch coupler lock has a padlock style design with sturdy appearance to prevent theft.
More information #ad
Dependable security: our hitch tongue lock is made of high-strength zinc alloy, durable to deter theft. You can keep the lock in your pocket, vehicle and anywhere that you want to keep it. Warranty: we offer 30-day money-back for any reason, 12-month warranty for quality-related issues. Small size for easy carrying. Widely application: dia 1/4 inch trailer lock pin with maximum 3/4 inch effective span, Boat, Truck, our trailer coupler lock fits kinds of latch-type couplers for Towing Trailer, RV, Car and Tractors. You can put the spare key in a separate location for emergencies, or give it to your family for easy use. Please verify dimension and length of the pin before purchasing our trailer tongue lock. 2 keys included: for convenience, our gold trailer lock comes with two keys.
Brand | CZC AUTO #ad |
Manufacturer | CZC AUTO #ad |
Part Number | 11411 |
More information #ad
5. CZC AUTO
#ad
CZC AUTO Trailer Tongue Coupler Lock, 7/8 Inch Span Fits Latch-Type Coupler for Towing Boat Truck RV Car Trailer, Dia 1/4 Inch
#adCZC AUTO #ad - Easy to operate coupler latch lock. Czc auto - reliable brand in towing sercurity industry. Kinds of weather can be handled. The watertight rubber cap keeps rain, snow, ice and dirt out. Made of high-strength steel and coated with black electrophoretic paint, the 1/4 inch trailer coupler lock is good at detering theft and preventing corrosion.1/4 turn the key to open the coupler pin lock, the pin will pops-up automatically and comfortably. We offer 30-day money-back for any reason, simply contact us, 12-month warranty for quality-related issues.
More information #ad
Fits latch-type couplers for towing boat truck RV car. Please note that measure your size before purchasing our trailer hitch coupler pin lock 1/4 inch. 1/4 inch diameter black tongue lock pin with 7/8 inch effective length. Any issue in using our trailer hitch coupler lock, your problem will be solved within 24 HOURS. Zinc alloy tubular lock core and more solid round key also help to improve security of the black coupler lock. Czc auto trailer hitch coupler locking pin's design. Our 1/4 inch trailer tongue lock is easy to lock and unlock. Security of our coupler locking pin.
Brand | CZC AUTO #ad |
Manufacturer | CZC AUTO #ad |
Part Number | 11404 |
Model | 11404 |
More information #ad
6. CZC AUTO
#ad
Dia 1/4 Inch Hitch Coupler Lock with 3/4 Inch Span Fits Latch-Type Couplers, Dia 5/8 Inch Trailer Hitch Lock Hitch Receiver Pin Lock for Class III IV 2" and 2-1/2" Receiver, CZC AUTO Hitch Lock Set
#adCZC AUTO #ad - Easy operate design: czc auto hitch lock can be easily locked and unlocked with key. Trailer hitch coupler locking pin: dia 1/4 inch black tongue lock pin fits latch-type couplers with a max span up to 3/4 inch. Security of 5/8 inch towing hitch lock & 1/4 inch trailer coupler lock is good at detering theft and preventing corrosion.Dogbone style hitch receiver lock : dia 5/8 inch pin with 3-1/2" effective length, perfect for Class III/IV 2", 2-1/2" hitch receiver tubes. And after locked, you just need to pull the lock head to ensure it is working.
More information #ad
Any issue in using our trailer hitch coupler lock, simply contact us, your problem will be solved within 24 HOURS. We offer 30-day money-back for any reason, 12-month warranty for quality-related issues. Please verify the size before purchasing czc auto trailer receiver lock set. Zinc alloy tubular lock core and more solid round key also help to improve security of the hitch locking pin & 1/4 Inch Coupler Locking Pin. Czc auto - reliable brand in hitch locks industry. Universal application of czc auto hitch pin lock kit. Hitch rack, hitch ball and tow rope, cargo hitch tray, bike rack, perfect for 2" and 2-1/2" receivers and latch-type couplers for towing purpose like trailer truck RV car boat. For convenience, our lock comes with 2 keys each set.
Brand | CZC AUTO #ad |
Manufacturer | CZC AUTO #ad |
Part Number | 11208E |
Model | 11208E |
More information #ad
7. Altor
#ad
Altor The ICON Trailer Lock for 2” couplers with a Flat Lip Design | Heavy Duty Theft Deterrent Trailer Coupler Lock for RV Toy Hauler Utility Box Cargo Boat Trailers
#adAltor #ad - Heavy duty trailer lock: crafted from 20 + lbs of hardened cast steel for its increased hardness, strength, ductility and toughness. Engineered security: patent pending geometry and design will withstand repeated brute force attacks and deter thieves with power tools.Easy to install: one piece design installs in seconds on the correct 2 5/16 inch couplers with a flat lip.
More information #ad
Fits most Campers and Cargo Trailers. Extreme weather resistance: Sealed stainless steel lock body provides ultimate protection from corrosion, dust, snow, and rain. Make sure that this lock will fit the coupler on your trailer. Pick resistant key design: Premium high security disc detainer lock mechanism rated for its extreme pick resistance.Brand | Altor #ad |
Manufacturer | Altor #ad |
Height | 5.75 Inches |
Length | 7.25 Inches |
Width | 6 Inches |
Part Number | AL-SAF2000-KD |
Model | SAF 2000 |
More information #ad
8. NenNicht
#ad
NenNicht Trailer Lock Fits 2 5/16-Inch Couplers, Trailer Coupler Lock with a Hook for Secures Safety Chains Black, 2023 New Patented Design Anti Theft Heavy-Duty Steel Trailer Hitch Locks
#adNenNicht #ad - Our products are the latest models in 2023, representing the latest technology production. Custom 2 5/16" trailer coupler lock this trailer lock will only fit on the 2 5/16" couplers with flat lip. Be sure to check the coupler sizes compatible with our lock hardware to ensure the lock you choose will match your trailer coupler.On both sides of the trailer lock to hang the safety chain, which prevents the safety chain from falling on the ground and getting wet and rusted. Trailer lock with hook nennicht us was the first in the industry to add additional hook functionality to both sides of the trailer lock.
More information #ad
Tough trailer locks ball hitch the trailer lock is made of 024-inch alloy steel with strong cut and shear resistance. Our products are US patented products and are uniquely sold. Unique key design each nennicht us trailer lock comes with 1 set of 3 uniquely designed keys, will not be easily tampered and broken into. It can stop burglars from picking your locks with power tools, hammers, and crowbars. It is important to do everything possible to protect your belongings and your trailer or camper from being stolen. For convenience, this unique key design, you can put the keys in different places for emergencies. Resists rust the hitch lock is finished with a durable powder coat finish to resist rust, corrosion, and weathering, suitable for all climates. The hooks can carry up to 110 lbs.
Brand | NenNicht #ad |
Manufacturer | NenNicht #ad |
Weight | 7.5 Pounds |
Part Number | TCS |
Model | TCS |
Warranty | 365 Days Unconditional Replacement |
More information #ad
9. Proven Industries
#ad
Made in The USA, Blue, Proven Industries Model 2516 Trailer Lock, Secures Safety Chains, Fits 2 5/16-Inch Couplers
#adProven Industries #ad - 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. 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.
More information #ad
Proven industries: we are dedicated to providing our customers with the most effective trailer locks on the market. 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. 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. Heavy-duty trailer lock: it’s important to do everything you can to protect your belongings and your trailer or camper from being stolen.
Brand | Proven Industries #ad |
Manufacturer | Proven Locks #ad |
Weight | 10 Pounds |
Part Number | 2516 |
Model | 2516 |
More information #ad
10. CZC AUTO
#ad
CZC AUTO Hitch Lock Set Dia 5/8 Inch Trailer Hitch Receiver Pin Lock Keyed Alike for Class III IV 2" and 2-1/2" Receiver Dia 1/4 Inch Hitch Coupler Lock with 2-1/2 Inch Span Fit Latch-Type Couplers
#adCZC AUTO #ad - We offer 30-day money-back for any reason, simply contact us, 12-month warranty for quality-related issues. Universal application of czc auto hitch pin lock kit. Zinc alloy tubular lock core and more solid round key also help to improve security of the hitch locking pin. Trailer hitch coupler locking pin: dia 1/4 inch black tongue lock pin fits latch-type couplers with a max span up to 2-1/2 inch.Please verify the size before purchasing czc auto trailer receiver lock set. Czc auto - reliable brand in hitch locks industry. Made of high-strength steel and coated with black electrophoretic paint, the 5/8 inch hitch pin lock & 1/4 inch trailer coupler lock is good at detering theft and preventing corrosion.
More information #ad
Easy operate design: czc auto hitch lock can be easily locked and unlocked with key. And after locked, you just need to pull the lock head to ensure it is working. Dogbone style hitch receiver lock : dia 5/8 inch pin with 3-1/2" effective length, perfect for Class III/IV 2", 2-1/2" hitch receiver tubes. For convenience, our lock comes with 2 keys each set. Hitch rack, hitch ball and tow rope, cargo hitch tray, bike rack, perfect for 2" and 2-1/2" receivers and latch-type couplers for towing purpose like trailer truck RV car boat. Any issue in using our trailer hitch coupler lock, your problem will be solved within 24 HOURS. Security of 5/8 inch towing hitch lock & 1/4 inch coupler locking pin.
Brand | CZC AUTO #ad |
Manufacturer | CZC AUTO #ad |
Part Number | 11208F |
Model | 11208F |
More information #ad