HolePro T-200 1-5/8" to 8" TWIN BLADE Adjustable Hole Saw Cutter for Recessed Lights Speakers. HSS Blades use &frac14; Drill Power of a Hole Saw to Cut Sheetrock Plastic Soft-woods NO PLYWOOD/PLASTER Replaceable HSS Blades SKU HP1183 ASIN B07GY3Z25P Twin blades for perfect balance  no bars to change or threads to break off Ball bearing mounted strong ABS shield with soft silicon gasket dust seal 11" OD Shield - Cuts perfect holes from 1-5/8" to 8" - replacing hole saw kits with multiple saws Max cut depth: 1": cuts sheetrock, wood (NO PLYWOOD or PLASTER), melamine, acrylic sheet, soft acoustic tile, plastics