Drill America Tungsten Carbide 1 in Cutting Bit Accessory Sink Its medium gray and beige Its medium gray and beige flecks create a sophisticated yet cozy ambiance 39 Features Paintable 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 shank allow use with a wide variety of tool holding systems 60 Degree Double Cut Carbide Bur