Etronic  Gun Lock G7 Resettable Combination Gun Trigger Lock Set-your-own password combination Gun Trigger Lock. Resettable combination locking mechanisms for keyless convenience. Easy to set & reset. Features positive locking with adjustable ratchet mechanism. Easy to attach and lock. Steel and zinc body for maximum durability. Ultra high performance. Discourages theft and protects valuable guns from tampering. Cushioned rubber pads protect guns finish from marring or scratching. The Etronic Gun Trigger Lock fits many handguns, rifles and shotguns.