Milwaukee 49-22-4155 Master Plumbers Hole Saw Kit, 18 PC

Milwaukee Master Plumbers Hole Saw Kit, 18 Pc 49-22-4155 Master Plumbers Hole Saw Kit, Ice Hardened Bi-Metal, Bi-Metal Hole Saws, High Speed Steel Pilot Bits, Alloy Steel Arbors, Number of Pieces 18, Teeth Variable TPI, For Wood, Steel, Plastic, Stainless Steel, Aluminum, Brass, Copper and Sheet Metal, Includes Hole Saws: 3/4, 7/8, 1-1/8, 1-3/8, 1-1/2, 1-3/4, 2-1/4, 2-5/8, 3, 3-1/2, 4, 4-1/4, 4-1/2 In. Dia., 3/8 and 7/16 In. Hex Arbors, (3) Pilot Bits, Arbor Spacer, and Adapter Hole Saw KitsBimetal kits have M3 high speed steel cutting edge with a hardened steel backer. Carbide kits have a carbide-tipped or carbide grit cutting edge with a hardened steel backer.