Simple & reliable locking device fits most types of guns with trigger guard, mfr"s lifetime warranty * Securely locks trigger to prevent use; requires just 1/2" clearance between trigger, trigger guard * Ratcheting lock clamps down firmly - non-marking rubber pads protect gun finish * Custom-set your own 3-digit lock code, easy to attach/remove, simple to store when not in use * Non-rust zinc alloy pin, all metal housing & mechanism; 2-1/2 x 1-1/2", weight 7 oz