This is the ultimate combo tool for your Glock. The combo tool snaps into the grip recess, keeping dirt and debris out. It has a built in pin punch and ejector remover to detail strip your Glock. Steel spring plunger holds tool securely and blends nicely into the frame. Fits models: Glock 17, 19, 20, 21, 22, 23, 31,32, 34 and 35. Will not fit Gen 4 model