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The Off-Vehicle Coupler Lock secures a trailer when it’s not attached to a vehicle. It features BOLT’s patented one-key lock technology that permanently programs locks to the vehicle’s ignition key for single-key use, no matter how many BOLT locks are being used. The lock is easily programmed the first time the ignition key is inserted into the BOLT Lock cylinder through the use of spring-loaded plate tumblers that move up and down to uniquely code the cylinder to that specific key. Made of hardened steel for extra security, the lock works with 1 7/8-, 2- and 2 15/16-in. couplers to keep a variety of trailers secure while unattended. The powdercoat-finish lock is a visible theft deterrent that is designed with a plate tumbler sidebar to prevent picking and bumping.
