RioRand Trigger lock 3 Digit Combination Gun Lock Compatible with Pistols Hand Gun Rifles Bb Gun Shotguns Feature: 1. Color: Black 2. 3 Digit Combination Gun Locks, Set and reset your own combination for easy operation (Prefer to the instruction in the package). 3. Durable Material Construction.Protective rubber pads shield protect gun finishes from marring or scratching. 4. Our gun lock is easy to be attached and removed.The device features an adjustable ratchet mechanism for positive locking on most handguns, rifles and shotguns. How to reset and use your Trigger lock 1. The lock is preset at 0-0-0; To set your own combination: 2. Leave the dial at opening position; To set your own combination 3. Separate the two pieces; 4. Push the botton with a screwdriver. And then hold it down while setting your own combination and release the botton. Warning: It can't be opened if you forget the password.But try 1000 times(000-999) You can take down the password in case once forget it. Pay attention to the Firearm Safety Tips: 1. Keep firearms pointed in a safe direction at all times, even when unloaded. 2. Store firearms unloaded and locked. 3. Store ammunition separately under locked 4. Never store firearms in a place accessible to children 5. Teach children basic principles of firearm safety. Providing ways to enhance firearm safety is a major concern RioRand's full line of gun locks provides gun owners with an extra measure of security against unauthorized access or tampering by children. Specification: Weight:0.2kg/0.44lb per LOCK Package include: 3 x Gun Trigger Lock 1x Screwdriver(1.77'')