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With the safety pin inserted in the coupler latch, the square retainer easily clips on to the end of the pin. It can also be used for a trailer jack wheel, pintle hook and more.
The 1/4-inch diameter and 2-3/4-inch length of this coupler safety pin make it highly versatile to fit a wide variety of trailer couplers. Secure. The solid pin offers ample strength while the retainer clip ensures the pin will not vibrate or rattle free. This coupler safety pin provides a reliable solution for keeping your trailer coupler latch engaged with the trailer ball. Corrosion-resistant.

The 1/4-inch trailer coupler pin is made out of solid steel for reliable strength, safety on the road and confidence with every mile of your adventure. The 1/4-inch diameter and 2-3/4-inch length of this coupler safety pin make it highly versatile to fit a wide variety of trailer couplers.
High-strength. With a solid steel pin and spring retainer clip, this coupler safety pin provides a reliable solution for keeping your trailer coupler latch engaged with the trailer ball. It can also be used as a trailer jack pin, pintle hook pin, caster pin and more. Protected by a durable zinc-plated finish, this coupler safety pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time.

Watertight. For your convenience, two keys are included with this trailer tongue lock. Versatile. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access.
The internal components of this trailer pin lock can easily be protected from the elements with the included watertight dust cap, while the coupler lock head is shielded against corrosion with a durable anodized aluminum finish.

Dependable security. This padlock-style trailer tongue lock has a heavy-duty look to deter theft, and uses a simple 1/4-turn lock activation for convenient locking and unlocking as needed. With a 1/4-inch diameter pin, this trailer coupler lock fits latch-type couplers with a maximum span of up to 3/4 inches.

The internal components of this trailer pin lock can easily be protected from the elements with the included watertight dust cap, while the entire coupler lock is shielded against corrosion with a durable chrome plating.
With a 1/4-inch diameter pin, this trailer coupler lock fits latch-type couplers with a maximum span of up to 3-3/8 inches. Easy to operate. For your convenience, two keys are included with this trailer tongue lock. Watertight.

Improve security of your cargo and provide you a safer journey. 30 days warranty :30 days warranty⭐risk-free shopping⭐ if you have any question, please don't hesitate to contact us. We will try our best to satisfy every customer. Please verify dimension and length of the pin you want before purchasing our coupler hitch lock pin.
Waterproof & corrosion function:the black trailer coupler lock is made of high-strength carbon steel coated with black electrophoretic paint. The trailer hitch lock is durable and rust free. To prevent corrosion in all weathers. The electrophoresis technology has better to prevent corrosion and anti-aging performance, the color retention time is relatively longer. Tail hitch lock has a black durable powder paint coating, Avoid all kinds of phenomena caused by rust.

The dustproof and waterproof lock pin is more durable. Higher security and theft deterrence The trailer coupler lock can ensure locking safe and protect your trailer every time, and the lock provides higher security and theft deterrence while towing.
Right-angle swivel head our trailer coupler lock can be simple operated with 1/4-turn lock activation. Weather resistance the key slot cover of our coupler lock with weather resistance keeps the keyhole away from moisture and dust. The right-angle swivel head can rotate 360 degree to allow the head twisting toward you.

With a 1/4-inch diameter pin, this trailer coupler lock fits latch-type couplers with a maximum span of up to 2-1/2 inches.
The internal components of this trailer pin lock can easily be protected from the elements with the included watertight dust cap, while the entire coupler lock is shielded against corrosion with a durable chrome plating. Two keys included. To help protect your trailer from theft, this trailer tongue lock is made with high-strength steel construction.

This barbell-style trailer tongue lock promotes an impenetrable appearance to deter theft, and uses a simple 1/4-turn lock activation for convenient locking and unlocking as needed.
For your convenience, two keys are included with this trailer tongue lock. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. Two keys included. Dependable security.

Protected by a durable zinc-plated finish, this coupler safety pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time.
It can also be used for a trailer jack wheel, pintle hook and more. The 1/4-inch diameter and 2-3/4-inch length of this coupler safety pin make it highly versatile to fit a wide variety of trailer couplers. Versatile. Easy to use. This coupler safety pin provides a reliable solution for keeping your trailer coupler latch engaged with the trailer ball.
1. CURT
#ad
CURT 25080 Trailer Coupler Pin, 1/4-Inch Diameter x 2-3/4-Inch Long
#adCURT #ad - The square retainer clip of this trailer coupler pin is made with spring steel, making the clip semi-flexible for easy operation. The 1/4-inch trailer coupler pin is made out of solid steel for reliable strength, safety on the road and confidence with every mile of your adventure.With the safety pin inserted in the coupler latch, the square retainer easily clips on to the end of the pin. It can also be used for a trailer jack wheel, pintle hook and more.
More information #ad
High-strength. Easy to use. Versatile. Protected by a durable zinc-plated finish, this coupler safety pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time. The 1/4-inch diameter and 2-3/4-inch length of this coupler safety pin make it highly versatile to fit a wide variety of trailer couplers. Secure. The solid pin offers ample strength while the retainer clip ensures the pin will not vibrate or rattle free. This coupler safety pin provides a reliable solution for keeping your trailer coupler latch engaged with the trailer ball. Corrosion-resistant.
Brand | CURT #ad |
Manufacturer | Curt Manufacturing #ad |
Height | 1 Inches |
Length | 4 Inches |
Weight | 0.05 Pounds |
Width | 4 Inches |
Part Number | 25080 |
Model | 25080 |
Warranty | Limited Lifetime |
More information #ad
2. CURT
#ad
CURT 25012 Trailer Coupler Pin with 12-Inch Chain, 1/4-Inch Diameter x 2-3/4-Inch Long
#adCURT #ad - The square retainer clip of this trailer coupler pin is made with spring steel, making the clip semi-flexible for easy operation. Corrosion-resistant. Easy to use. This safety pin also comes with a 12-inch long chain.The 1/4-inch trailer coupler pin is made out of solid steel for reliable strength, safety on the road and confidence with every mile of your adventure. The 1/4-inch diameter and 2-3/4-inch length of this coupler safety pin make it highly versatile to fit a wide variety of trailer couplers.
More information #ad
Versatile. Secure and convenient. With the safety pin inserted in the coupler latch, the square retainer easily clips on to the end of the pin. High-strength. With a solid steel pin and spring retainer clip, this coupler safety pin provides a reliable solution for keeping your trailer coupler latch engaged with the trailer ball. It can also be used as a trailer jack pin, pintle hook pin, caster pin and more. Protected by a durable zinc-plated finish, this coupler safety pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time.
Brand | CURT #ad |
Manufacturer | Curt Manufacturing #ad |
Height | 2 Inches |
Length | 7 Inches |
Weight | 0.08 Pounds |
Width | 2 Inches |
Part Number | 25012 |
Model | 25012 |
Warranty | Limited Lifetime |
More information #ad
3. CURT
#ad
1/4-Inch Pin Diameter, CURT 23503 Right-Angle Trailer Coupler Lock, Up to 3-Inch Span
#adCURT #ad - Ergonomic operation. Dependable security. Two keys included. With a 1/4-inch diameter, segmented pin, this trailer coupler lock fits latch-type couplers spanning from 1 inch up to 3 inches.Watertight. For your convenience, two keys are included with this trailer tongue lock. Versatile. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access.
More information #ad
To help protect your trailer from theft, this trailer tongue lock is made with high-strength steel construction. This right-angle trailer lock has a built-in swivel feature and simple 1/4-turn lock activation to allow the head to twist toward you for easy, ergonomic access when locking or unlocking your trailer. The internal components of this trailer pin lock can easily be protected from the elements with the included watertight dust cap, while the coupler lock head is shielded against corrosion with a durable anodized aluminum finish.
Brand | CURT #ad |
Manufacturer | Curt Manufacturing #ad |
Height | 2 Inches |
Length | 7 Inches |
Weight | 0.5 Pounds |
Width | 2 Inches |
Part Number | 23503 |
Model | 23503 |
Warranty | Limited Lifetime Warranty (One-Year Finish, One-Year Parts) |
More information #ad
4. CURT
#ad
Up to 3/4-Inch Span, 1/4-Inch Pin Diameter, CURT 23521 Black Trailer Tongue Coupler Lock
#adCURT #ad - To help protect your trailer from theft, this trailer lock is made from high-strength steel and has a padlock-style design. For your convenience, two keys are included with this trailer tongue lock.Dependable security. This padlock-style trailer tongue lock has a heavy-duty look to deter theft, and uses a simple 1/4-turn lock activation for convenient locking and unlocking as needed. With a 1/4-inch diameter pin, this trailer coupler lock fits latch-type couplers with a maximum span of up to 3/4 inches.
More information #ad
Versatile. This trailer pin lock is protected from the elements with its black painted finish, while the coupler pin is shielded against corrosion with a durable zinc plating. Easy to operate. Two keys included. Weather-resistant. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access.Brand | CURT #ad |
Manufacturer | Curt Manufacturing #ad |
Height | 2 Inches |
Length | 7 Inches |
Weight | 0.45 Pounds |
Width | 2 Inches |
Part Number | 23521 |
Model | 23521 |
Warranty | Limited Lifetime Warranty (One-Year Finish, One-Year Parts) |
More information #ad
5. CURT
#ad
1/4-Inch Pin Diameter, CURT 23523 Chrome Trailer Tongue Coupler Lock, Up to 3-3/8-Inch Span
#adCURT #ad - Two keys included. Versatile. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. Dependable security. To help protect your trailer from theft, this trailer tongue lock is made with high-strength steel construction.The internal components of this trailer pin lock can easily be protected from the elements with the included watertight dust cap, while the entire coupler lock is shielded against corrosion with a durable chrome plating.
More information #ad
This barbell-style trailer tongue lock promotes an impenetrable appearance to deter theft, and uses a simple 1/4-turn lock activation for convenient locking and unlocking as needed. With a 1/4-inch diameter pin, this trailer coupler lock fits latch-type couplers with a maximum span of up to 3-3/8 inches. Easy to operate. For your convenience, two keys are included with this trailer tongue lock. Watertight.
Brand | CURT #ad |
Manufacturer | CURT #ad |
Height | 2 Inches |
Length | 7 Inches |
Weight | 0.5 Pounds |
Width | 2 Inches |
Part Number | 23523 |
Model | 23523 |
Warranty | Limited Lifetime Warranty (One-Year Finish, One-Year Parts) |
More information #ad
6. Cenipar
#ad
Cenipar Trailer Hitch Coupler Locking Pin 1/4 Inch Diameter 2-1/2 Inch Long for Truck Car and Boat Fits Class III IV Hitches Towing Locks
#adCenipar #ad - Effective theft prevention : hitch receiver pin lock is made with high-strength steel construction have Reliable safety for Towing Boat Truck RV Car Trailer Fits Class III IV Hitches, at the same time locking pin Able to avoid theft of your truck and the things hanging on the truck.Improve security of your cargo and provide you a safer journey. 30 days warranty :30 days warranty⭐risk-free shopping⭐ if you have any question, please don't hesitate to contact us. We will try our best to satisfy every customer. Please verify dimension and length of the pin you want before purchasing our coupler hitch lock pin.
More information #ad
Easy to operate:this trailer hitch lock is easy operationIt, can be opened just like opening the door by turning the key. Our push-to-lock design, You can easily lock it without key. The trailer hitch coupler lock provides customers a safe and Convenient environment. Waterproof & corrosion function:the black trailer coupler lock is made of high-strength carbon steel coated with black electrophoretic paint. The trailer hitch lock is durable and rust free. To prevent corrosion in all weathers. The electrophoresis technology has better to prevent corrosion and anti-aging performance, the color retention time is relatively longer. Tail hitch lock has a black durable powder paint coating, Avoid all kinds of phenomena caused by rust.
Brand | Cenipar #ad |
Manufacturer | Cenipar #ad |
Part Number | 0.25in long hitch pin-1 |
More information #ad
7. METOWARE
#ad
1/4" Diameter, Fits 1" to 3" Coupler Span for Truck RV Car Trailer Towing Boat, METOWARE Trailer Tongue Coupler Lock Adjustable Swivel Head Trailer Tongue Coupler Pin
#adMETOWARE #ad - It is the ergonomic design for easier access. Copper keys the keys made of copper and covered non-slip protective, fit our upgraded zinc alloy lock core, which is more solid and stronger than ordinary keys.The dustproof and waterproof lock pin is more durable. Higher security and theft deterrence The trailer coupler lock can ensure locking safe and protect your trailer every time, and the lock provides higher security and theft deterrence while towing.
More information #ad
Flexible and adjustable the trailer coupler lock is 1/4 inch in diameter, adjustable segment pin from 1 inch to 3-1/4 inch, it is suitable for latching couplers from 1" up to 3". Right-angle swivel head our trailer coupler lock can be simple operated with 1/4-turn lock activation. Weather resistance the key slot cover of our coupler lock with weather resistance keeps the keyhole away from moisture and dust. The right-angle swivel head can rotate 360 degree to allow the head twisting toward you.
Brand | METOWARE #ad |
Manufacturer | METOWARE #ad |
Part Number | 47278 |
More information #ad
8. CURT
#ad
CURT 23522 Chrome Trailer Tongue Coupler Lock, 1/4-Inch Pin Diameter, Up to 2-1/2-Inch Span
#adCURT #ad - Watertight. Easy to operate. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. Dependable security. This barbell-style trailer tongue lock promotes an impenetrable appearance to deter theft, and uses a simple 1/4-turn lock activation for convenient locking and unlocking as needed.With a 1/4-inch diameter pin, this trailer coupler lock fits latch-type couplers with a maximum span of up to 2-1/2 inches.
More information #ad
For your convenience, two keys are included with this trailer tongue lock. Versatile. The internal components of this trailer pin lock can easily be protected from the elements with the included watertight dust cap, while the entire coupler lock is shielded against corrosion with a durable chrome plating. Two keys included. To help protect your trailer from theft, this trailer tongue lock is made with high-strength steel construction.
Brand | CURT #ad |
Manufacturer | CURT #ad |
Height | 2 Inches |
Length | 7 Inches |
Weight | 0.5 Pounds |
Width | 2 Inches |
Part Number | 23522 |
Model | 23522 |
Warranty | Limited Lifetime Warranty (One-Year Finish, One-Year Parts) |
More information #ad
9. CURT
#ad
CURT 23520 Chrome Trailer Tongue Coupler Lock, Up to 7/8-Inch Span, 1/4-Inch Pin Diameter
#adCURT #ad - Easy to operate. With a 1/4-inch diameter pin, this trailer coupler lock fits latch-type couplers with a maximum span of up to 7/8 inches. Watertight. Versatile. To help protect your trailer from theft, this trailer tongue lock is made with high-strength steel construction.This barbell-style trailer tongue lock promotes an impenetrable appearance to deter theft, and uses a simple 1/4-turn lock activation for convenient locking and unlocking as needed.
More information #ad
The internal components of this trailer pin lock can easily be protected from the elements with the included watertight dust cap, while the entire coupler lock is shielded against corrosion with a durable chrome plating. For your convenience, two keys are included with this trailer tongue lock. You can keep the spare key in a discrete location for emergencies or give it to a friend for helpful access. Two keys included. Dependable security.
Brand | CURT #ad |
Manufacturer | Curt Manufacturing #ad |
Height | 5.5 Inches |
Length | 8.88 Inches |
Weight | 0.45 Pounds |
Width | 6 Inches |
Part Number | 23520 |
Model | 23520 |
Warranty | Limited Lifetime Warranty (One-Year Finish, One-Year Parts) |
More information #ad
10. CURT
#ad
CURT 25081 Trailer Coupler Pin, 1/4-Inch Diameter x 2-3/4-Inch Long
#adCURT #ad - With the safety pin inserted in the coupler latch, the square retainer easily clips on to the end of the pin. High-strength. Corrosion-resistant. Secure. The square retainer clip of this trailer coupler pin is made with spring steel, making the clip semi-flexible for easy operation.Protected by a durable zinc-plated finish, this coupler safety pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time.
More information #ad
The 1/4-inch trailer coupler pin is made out of solid steel for reliable strength, safety on the road and confidence with every mile of your adventure. The solid pin offers ample strength while the retainer clip ensures the pin will not vibrate or rattle free. It can also be used for a trailer jack wheel, pintle hook and more. The 1/4-inch diameter and 2-3/4-inch length of this coupler safety pin make it highly versatile to fit a wide variety of trailer couplers. Versatile. Easy to use. This coupler safety pin provides a reliable solution for keeping your trailer coupler latch engaged with the trailer ball.
Brand | CURT #ad |
Manufacturer | Curt Manufacturing #ad |
Height | 3 Inches |
Length | 2 Inches |
Weight | 0.15 Pounds |
Width | 7 Inches |
Part Number | 25081 |
Model | 25081 |
Warranty | Limited Lifetime |
More information #ad