Klein Tools 31872 Heavy Duty Hole Saw Kit, Includes Carbide Hole Cutters and Pilot Bit in Rust-Proof Molded Plastic Case, 4-Piece

Heavy duty, durable carbide hole cutters for long life | Hole Cutters cut quick precise holes in stainless steel, mild steel, iron, copper and brass sheet up to 3/16-Inch (0.5 cm) thick | Split point pilot drill bit prevents bit walking | Set contains: 7/8-Inch, 1-1/8-Inch, 1-3/8-Inch plus one extra pilot bit | Integrated flange prevents the operator from drilling beyond the sheet metal | Conduit and pipe sizes: 1/2-Inch (1.3 cm) to 1-Inch (2.5 cm) | All components are packed in a rust-proof, molded plastic carrying case