Real Avid Accu-Punch Master Set, 37 Piece Punch Set, Includes 13 Nickel Plated Flat Tip Punches, 13 Nickel Plated Roll Pin Punches, 7 Brass Punches, 2 Flat Sided Punches, 1 Nylon Punch, 1 Taper Punch, 1 Pair of Plastic Tweezers AVMAPS Gunsmithing punches are core tools needed to modify or disassemble firearms. Most sets available today are generic repurposed hardware sets. Accu-Punch Master Punch set is designed from the ground up to work better on guns.