Drywall Carbide Hole Saw With Tungsten Carbide Grit Have Gulleted Carbide Grit Serrated Edge Blade Gives A Smooth Fine Finish Used Dry. Carbide Grit Is Perfect Can Light Saw / Hole Saw For Can Lights For Cutting Holes In Drywall Ceiling For Recessed Lighting 4 Inch To 6 Inch Can Hole Cutter, Tungsten Grit Hole Cutters Can Bore In Both Directions So Can Be Reversed, Can Be Wire Brushed Clean To Increase Life Span When Drilling Holes In Soft Materials. Can Be Used In Corded Or Cordless Drills. Great For Boat Building Recessed Led Light Saw Installing Atmos Speakers In Ceilings And Wall Speakers. Add A Hole Saw Extension From Our List to prevent stretching. Cutting Materials List : Drywall Plaster With Lath Hardy Board Marble Slate Travertine Hardie Board Plaster And Cement Siding Cement Board Backer Board Styrofoam Pvc Acrylic Composite Boards Epoxy Resin Carbon Fiber Glass Reinforced Plastic Cfrp Carbon Fiber Reinforced Plastic, Plasterboard. Remember Carbide Drill Bits And Carbide Hole Saw Set are Not Designed For Dense Stone And Granite, Thats What Our Diamond Grit Edge Hole Saws And Core Bits Are For. Additional Details ------------------------------ Bullet point: 89mm 3 1/2" Drywall Hole Saw For Drilling Holes for pipes Recessed Lighting and in wall speakers, Regular Toothed Hole Saw Drill Bit Would Go Dull If Used As A Drywall Hole Saw But With Carbide Tipped Hole Saw Bits They Are Tougher And No Teeth To Snag And Go Dull. Not for Concrete. Product description: Drywall Carbide Hole Saw With Tungsten Carbide Grit Have Gulleted Carbide Grit Serrated Edge Blade Gives A Smooth Fine Finish Used Dry. Carbide Grit Is Perfect Can Light Saw / Hole Saw For Can Lights For Cutting Holes In Drywall Ceiling For Recessed Lighting 4 Inch To 6 Inch Can Hole Cutter, Tungsten Grit Hole Cutters Can Bore In Both Directions So Can Be Reversed, Can Be Wire Brushed Clean To Increase Life Span When Drilling Holes In Soft Materials. Can Be Used In Corded Or Cordless Drills. Great For Boat Building Recessed Led Light Saw Installing Atmos Speakers In Ceilings And Wall Speakers. Add A Hole Saw Extension From Our List to prevent stretching. Cutting Materials List : Drywall Plaster With Lath Hardy Board Marble Slate Travertine Hardie Board Plaster And Cement Siding Cement Board Backer Board Styrofoam Pvc Acrylic Composite Boards Epoxy Resin Carbon Fiber Glass Reinforced Plastic Cfrp Carbon Fiber Reinforced Plastic, Plasterboard. Remember Carbide Drill Bits And Carbide Hole Saw Set are Not Designed For Dense Stone And Granite, Thats What Our Diamond Grit Edge Hole Saws And Core Bits Are For.