GAF Timberline HDZ Reflector Series Stone Gray Algae Resistant Architectural Asphalt Roof Shingles, 33.33 sq ft per Bundle Portable Generators Dining Rooms Color Finish:Natural Embossed Dining Rooms Sub Brand Drill America CA Residents: Prop 65 Warning(s) Yes Diameter Measurement 1 in 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 Type Bur For Use on Plastic Yes Application Cutting Elevated Curb Appeal 33 sq ft Impact Resistance No Laminated Yes Warranty Limited lifetime