The Master Lock No. 90TRISPT Keyed Trigger Lock feature a steel and zinc body for maximum durability. The protective rubber pads protect gun's finish from marring or scratching. The limited lifetime warranty provides peace of mind from a brand you can trust. Features: The world standard in trigger lock design Steel and zinc body for maximum durability 4-pin tumbler cylinder helps prevent picking Special rubber pads protect gun's finish from marring or scratching Keyed alike - same key opens all three locks