We’ve combined the Roll Pin Starter Set and the Ball Profile Roll Pin Punch Set with a precision machined gunsmithing hammer into one comprehensive kit. Machined and hardened from steel and designed with a counter-bored tip. The 9 piece set includes: 5/16″, 1/4″, 7/32″, 3/16″, 5/32″, 1/8″, 3/32″, 5/64″ and 1/1″. Features- a small 6 oz. hammer for precise control and smaller roll pins, steel head for metal punches and surfaces and brass head for preventing marring.