This advanced kit works to safely remove and install gun pins. The ergonomic and perfectly balanced hammer partners with easy grip hex-handle punches for precise control. Hammer & Pin Punch Set includes 4 interchangeable hammer heads: rubber brass steel and nylon; gunsmithing hammer with rubberized ergonomic grip; stand-up case; steel punches: 1/16″ 5/64″ 3/32″;brass punches: 1/8″ 9/64″ 5/32″ 3/16″ 7/32″ 1/4″ 9/32′; non-marring finishing punch and pin alignment tool.