Lenox Speed Slot Hole Saw, 300 rpm Aluminum, 130 rpm Stainless Steel, 50 rpm Fiber Glass, 110 rpm Ceramic Tile, 40 rpm Iron Speed, 3-1/2 in Pilot Drill, 3-3/4 in Diameter, Carbide Cutting Edge, Applicable Materials: Abrasives, Cast Iron, Stainless Steel, Steel, Wood, Suitable for: Snap-Back 2L, 6L Arbor Models
