Adjustable Speaker-Cutter Hole Saw
Cuts Round Holes From 6 1/4–10 3/8 In Drywall & Ceiling Tile With No Mess When Using The Clear, Flexible Dust Shield Fits A 3/8 & 1/2 Drill Chuck & Can Be Used With Cordless Drills Self-Sharpening Carbide-Coated Cutting Blades For Long Life Drill Not Included
Manufacture link for this item not available.