Wheeler Master Roll Pin Punch Set includes the Roll Pin Starter Set and the Ball Profile Roll Pin Punch Set with a gunsmithing hammer in one comprehensive kit. Machined and hardened from steel to prevent bending or breaking while driving roll pins. Designed with a ball profile tip to provide proper alignment of the roll pin and prevent damage to the firearm or roll pin. The 9 piece set includes: 5/16â€ 1/4â€ 7/32â€ 3/16â€ 5/32â€1/8â€ 3/32â€ 5/64â€ 1/16". Keeps punch from walking off pin. Knurled handles. Roll Pin Starter Set is machined and hardened from steel to prevent bending or breaking while starting roll pins. Designed with a counter-bored tip to properly align and start the roll pin preventing damage to the firearm. The 9 piece set includes: 5/16â€ 1/4â€ 7/32â€ 3/16â€5/32â€ 1/8â€ 3/32â€ 5/64â€ 1/16â€. Knurled handles. Small Hammer (6oz) for precise control and smaller roll pins. Steel Head â€“ For metal punches and surfaces. Brass Head â€“ For preventing marring.