Edward Tools 6 Piece Pin Punch Set for Gunsmith, Mechanic, Metal Stamping is a heavy duty chrome vanadium for punching out pins and dowels. This set includes sizes of 1.5mm, 3mm, 4mm, 5mm, 6mm and 8 mm. The included plastic box keeps all the punches organized by size. Edward Tools 6 Piece Pin Punch Set for Gunsmith, Mechanic, Metal Stamping comes with a lifetime warranty.