Hole Saw 1-3/8-Inch Bi-Metal Shark Tooth Eco Pak

Century Drill & Tool SHARK TOOTH Hole Saw, Cutting Depth: 1-1/2 in , 230 rpm, Tooth Type: Variable Pitch, 1-3/8 in Dia, Cutting Edge Material: Cobalt/HSS, Body Material: Bi-Metal, Applicable Materials: Aluminum, Brass, Fiberglass, Hardwood, Plastic, Steel, Plywood, Sheet Metal, Stainless Steel, Includes: (2) Hole Saws Decrease rpm's by 30% for cast iron, increase rpm's by 30% for brass and aluminum Made in USA