Ace 4 in. Dia. Bi-Metal Variable Pitch Hol
*Diameter: 4 in.
*Length: 1-5/8 in.
*Material: Bi-Metal
*Product Type: Variable Pitch Hole Saw
*Arbor Included: Yes
*For aluminum, brass, wood, and stainless steel
* Attached arbor
* Pilot drill bit required Ace No. 24331 (sold separately)