Proven Industries Trailer Lock, Model 2517-D1, Fits 2 5/16 in Demco Cast Trailer Couplers, 2 Keys Included, Heavy-Duty Security, Hardened Steel, Unique Key Design, Made in USA, Black — Open-Box, 9% Off

PRECISION FIT FOR DEMCO COUPLERS: Protect trailers with a lock engineered to fit only specific Demco cast couplers, reducing gaps that invite tampering. Custom-tailored inner slide aligns with the coupler profile to help ensure a snug, secure interface that resists forced attacks. HEAVY-DUTY THEFT RESISTANCE: Deter smash-and-grab attempts with hardened steel components that stand up to bolt cutters, saws, and prying. A robust exterior shield helps block access to the latch area, adding a durable barrier that complicates common power-tool methods and lever attacks. UNIQUE KEY CONTROL: Keep unauthorized copies at bay with a distinctive key design and interior locking mechanism that resists picking and duplication. This advanced key system adds a critical layer of defense, helping ensure only authorized users can remove the coupler lock when needed. QUICK, CONFIDENT SETUP: Install protection in minutes with a straightforward three-piece system that streamlines use at the jobsite or home. The inner slide engages the coupler, the exterior shield aligns via slide tabs, and the puck lock secures the assembly for reliable day-to-day security. MADE IN THE USA QUALITY: Choose a product crafted domestically by a family-owned manufacturer focused on trailer security. Careful fabrication and inspection help ensure consistent performance and long-term reliability, delivering dependable protection for valuable trailers and cargo. Without high-quality locks, you can’t protect your utility trailers and personal possessions. Our Model 2517-D1 Trailer Lock is a safe, powerful lock designed to help you increase the security of your commercial and heavier-weight-rated trailers and cargo. 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 lock is designed to fit only on specific 2 5/16-inch Demco cast trailer couplers.Make sure that your coupler is compatible with the lock you select.

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 safety guard to your 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.