All / Tooling Gunsmith’s tool set - S7 Tool Steel - Center Punch & AR Castle Nut Staking Tool (3mm) $32.00 Add To Cart Added! Cutting Chisel - 3/4” Diameter - S7 Tool Steel from $22.50 Length (inches): Select Length (inches) 9 18 Add To Cart Added! Cutting Chisel - 1" Diameter - S7 Tool Steel from $31.00 Length (inches): Select Length (inches) 9 12 18 Add To Cart Added! Cutting Chisel - 5/8" Diameter - S7 Tool Steel from $20.00 Length (inches): Select Length (inches) 9 18 Add To Cart Added!