Lenox Speed Slot 3005656L Hole Saw 3-1/2 in Dia 1-7/8 in D Cutting 4/5 TPI Bi-Metal Cutting Edge

Lenox Speed Slot Hole Saw, 1-7/8 in Cutting Depth, 4/5, 45 to 145 rpm Speed, 1/2 in Shank, Hex Shank, 1/4 in Dia x 3-1/4 in L Pilot Drill, 3-1/2 in Diameter, Bi-Metal Cutting Edge, Applicable Materials: Aluminum, Cast Iron, Mild Steel, Stainless Steel, Wood