The Strattec Security Corporation BOLT (Breakthrough One-Key Lock Technology) Locks are designed to allow a single ignition key to be programmed to open any number of BOLT locks, reducing the need for multiple keys. BOLT locks can be used to secure tools, gear, trailers and other valuable equipment. BOLT locks are compatible with heavy duty work trucks such as International Pro Star, International 4000 Series, International Terra Star, Mitsubishi Raider, Sterling Condor, Volvo VN Series as well as Freightliner Century and Columbia models. The weatherproof BOLT product line includes a padlock, receiver lock, coupler pink lock, cable locks and a toolbox latch retrofit kit.