If you drive a truck, haul gear or pull a trailer, then the BOLT Series of locks is for you. The Bolt Series of locks lets you set all your truck, trailer and equipment locks to work with one key - your ignition key! Simply insert your vehicle's ignition key into the BOLT lock, turn it once and the lock mechanically and permanently learns the key code. Whether you're a pro or a weekend warrior, you can't beat the convenience of BOLT Locks. Why carry all those extra keys?