Drill America Tungsten Carbide 1 2 in Cutting Bit Accessory Energy Efficient Water Heater Green White Green White die cast aluminum base and motor housing provides durability and low tool weight Integral 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 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