DIABLO® High Performance Hole Saw, 7/8 in Saw Diameter, 3/8 in Arbor Hole, 2-3/8 in Cutting Depth, 1/4 in Pilot Drill Diameter, 3-1/2 in Pilot Drill Length, Mandrel Shank, Variable Pitch Tooth Style, Carbide Tooth, Applicable Materials: Aluminum, Metal, Plastic, Stainless Steel and Wood