KATA Bi-Metal Hole Saw Kit, 7-Piece Metal Hole Saw Set with 1-1/4" to

4 Hole Saws and 4 Accessories: Including 4pcs size saw blades: 1-1/4" (32 mm), 1-1/2" (38 mm), 1-3/4"(44 mm), 2-1/8" (54 mm); 1 pcs mandrels, 2 pcs drill bits, 1 pc hex key Durable and Safety: Durable high speed steel Bi-metal, it has advantages such as rust prevention, wear resistance, corrosion resistance and long service life Intimate Service: To ensure the safety of you, please wear all applicable safety supplies when using these hole saws. Not for use for cutting depths beyond about 1-1/2"(38 mm) Wide Application: Sharp teeth for faster and cleaner cutting, hole saw for thin metal, hard and soft wood, drywall. Not suitable for materials such as glass, stainless steel, ceramic tiles, etc Solid Storage Case: The set comes with a customized heavy duty case for portability. Designated slots in the case keep every piece in place. Improve work efficiency