Drill America Tungsten Carbide 1 2 in Cutting Bit Accessory Energy Efficient Water Heater Roll Bar Maximum Forward Speed Roll Bar Maximum Forward Speed (mph) 7 34 Width (Feet) 3 Vapor Barrier Yes For Use with Porcelain No Moisture Resistant Yes For Use with Laminate Yes Cushioning Yes For Use with Concrete Yes Sound Absorbing Yes Antimicrobial Yes Mold Mildew Resistant Yes For Use with Vinyl Plank No stainless steel and metals Double cut style for rapid material removal in tough applications Solid carbide tooling provide long life and faster cutting speeds Round 1 4 in Sub Brand Drill America CA Residents: Prop 65 Warning(s) Yes For Use on Glass No For Use on Wood Yes Total Number of Pieces 1 Warranty None For Use on Ceramic No For Use on Concrete No For Use on Grout No Material Tungsten carbide Set Individual Individual For Use on Metal Yes For Use on Drywall No Diameter Measurement 1 2 in Type Bur For Use on Plastic Yes Application Cutting