Gooseneck Trailer Couplers

Product Introduction

Without high-quality locks, you can’t protect your utility trailers and personal possessions.   Our Model YH3176 Gooseneck Trailer Couplers is a safe, powerful lock designed to help you increase the security of your trailers. It’s constructed with hardened steel that protects against bolt cutters, saws, and other power tools and features a unique key design that prevents someone from creating a copy of your key.   Help protect your possessions and work equipment with our incredible heavy-duty coupler lock.

This custom-tailored trailer and RV lock is designed to fit only specific Ram or BullDog gooseneck trailer couplers.

Our secure trailer lock is easy to install and is made of 3 lock components: an inner slide, an exterior shield, and a puck lock.   To use, attach the inner slide to your coupler and engage the latch.   Place the exterior shield over the coupler and line up the 2 slide tabs.   Then, place the puck lock over the tabs.   Add this lock to your camper and travel-trailer accessories for durable protection of your belongings.

Proven Industries is a family-owned business dedicated to helping you safeguard your trailers from theft and damage.   We manufacture our locks in the USA with care and attention to every detail.   You can rely on our high-quality locking products.

Product Parameter (Specification)

Product Feature And Application

CUSTOM TRAILER-COUPLER LOCK: This custom-tailored lock will mount only on specific Ram or BullDog gooseneck couplers.

HEAVY-DUTY TRAILER LOCK: It’s important to protect your belongings and your trailer or camper from being stolen. Our strong coupler lock fits select Ram or BullDog gooseneck trailer couplers.

TOUGH LOCK: The locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to prevent burglars from using power tools, hammers, bolt cutters, and crowbars on your lock.

UNIQUE KEY DESIGN: This trailer lock has a special key design that prevents lock picking. Our innovative key system also features an interior locking mechanism that deters 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. We carefully research and manufacture our locking systems from conception to fabrication in China.

Product Details

Material: Steel+Zinc alloy

Shape:Round, Square

Lock Type:Key Lock

Without high-quality locks, you can’t protect your utility trailers and personal possessions. Our Model GRB-78 Trailer Lock is a safe, powerful lock designed to help you increase the security of your trailers. It’s constructed with hardened steel that protects against bolt cutters, saws, and other power tools and features a unique key design that prevents someone from creating a copy of your key. Help protect your possessions and work equipment with our incredible heavy-duty coupler lock.

This custom-tailored trailer and RV lock is designed to fit only specific Ram or BullDog gooseneck trailer couplers.

Our secure trailer lock is easy to install and is made of 3 lock components: an inner slide, an exterior shield, and a puck lock. To use, attach the inner slide to your coupler and engage the latch. Place the exterior shield over the coupler and line up the 2 slide tabs. Then, place the puck lock over the tabs. Add this lock to your camper and travel-trailer accessories for durable protection of your belongings.

Proven Industries is a family-owned business dedicated to helping you safeguard your trailers from theft and damage. We manufacture our locks in the USA with care and attention to every detail. You can rely on our high-quality locking products