The armorers master hammer and accu-punch 11-piece standard pin punch set, meticulously designed for gunsmiths.The armorers master hammer boasts a 22-ounce forged hammer with a full-length tang for precision control.It comes with interchangeable hammer heads and a magnetic pin starter for effortless adaptation and firearm modifications.The accu-punch set features hardened steel punches with nickel plating for corrosion resistance and a hex-shaped handle for precise control.