Features:Brand New and High QualityFits on handguns， rifles and shotgunsProtects against unauthorized use and child tamperingNo keys to lose. Set your own personal combinationSet multiple locks to same combinationComplies with applicable lawsSpecifications:Material: Zinc alloySize: 57*38*70 mmInstruction for use:1. To open lock， set dials to combination (combination is always pre-set to 0-0-0 by factory).With dials set to combination， move release lever to up position. Pull apart the two sides ofthe lock; MAKE SURE GUN IS UNLOADED.4. To close the lock， move release lever back down to locked position and scramblecombination dials. Insert front lock unit with ratchet post throught trigger， behind trigger ifpossible. Then insert rear unit.How to reset your personal combination:1. Open the lock by pulling apart the two sides of the lock and completely remove lock fromthe gun.2. Push the lever into the down position.3. With dials set to the current combination， use a pen point or similar narrow object， pressthe reset button on the left side of the lock in toward the center of the lock.4. Continue to apply pressure to the reset button， and set the dials to your personalizedcombination.5. Release the reset button， new combination is now set.Package Including:1 X Password Lock Security Key For Firearms Pistol Rifle