Gunsmithing punches are core tools needed to modify or disassemble firearms. The Real Avid Accu-Punch Master Set with standard, roll pin and specialty punches is designed from the ground up to work better with firearms. Punches are made of hardened steel with a nickel plating to resist corrosion as well as hex-shaped handles and rubber 0-rings for precise control. The proprietary Pin Alignment Tool makes aligning and starting tiny pins both easy and accurate. Includes:Standard steel punches: 1/16", 5/64", 3/32", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 9/32"Roll pin punches: 1/16", 5/64", 3/32", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 9/32"Brass pin punches: 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 9/32"3/32" Bolt catch roll pin starter and roll pin punchStaking punch5/16" Nylon finishing punchPin Alignment tool