Real Avid Accu-Punch Hammer With Brass & Steel Pin Punches - 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. Kit includes larger diameter non-marring brass punches and hardened steel micro punches for added rigidity. 4 Interchangeable Hammer Heads: Rubber, Brass, Steel & Nylon Gunsmithing Hammer With Rubberized, Ergonomic Grip Stand-Up Case Steel Punches: 1/16in, 5/64in, 3/32in Brass Punches: 1/8in, 9/64in, 5/32in, 3/16in, 7/32in, 1/4in, 9/32in Non-Marring Finishing Punch Pin Alignment Tool