Allen Gun Trigger LockThe Firearm Trigger Lock by Allen is a heavy duty and durable locking device that is placed over the trigger mechanism in seconds and locks securely in place. When you need your firearm, simply insert the key, turn and the lock comes open, no need to unscrew a long fastener to open it. Heavy Duty Stiff Bristles Locking Device That is Placed Over the Trigger Mechanism Certified for Use with Most Shotguns, Rifles, Revolvers, and Pistols Comes With Two