Ace 15/16 in. Dia. Bi-Metal Variable Pitch *Hole Saw Diameter: 15/16 in. *Blade Material: Bi-Metal *Product Type: Variable Pitch Hole Saw *Arbor Included: Yes *Cutting Depth: 1-5/8 in. *For aluminum, brass, cast iron, wood, and stainless steel * Permanently attached arbor* Pilot drill bit required Ace No. 24331 (sold separately)