This advanced kit works to safely remove and install gun pins. The ergonomic and perfectly balanced hammer partners with easy grip hexhandle punches for precise control. Hammer Pin Punch Set includes 4 interchangeable hammer heads rubber brass steel and nylon gunsmithing hammer with rubberized ergonomic grip standup case steel punches 116 564 332brass punches 18 964 532 316 732 14 932 nonmarring finishing punch and pin alignment tool.