Drill America 5 Piece Tungsten Carbide 3 8 in Cutting Bit Accessory Peel and stick since many factors which affects since many factors which affects the results obtained from this product (such as weather durable fencing shank allow use with a wide variety of tool holding systems Cylindrical Radius End Shape Sub Brand Drill America CA Residents: Prop 65 Warning(s) Yes For Use on Glass No For Use on Wood Yes Warranty None For Use on Ceramic No Total Number of Pieces 5 For Use on Concrete No For Use on Grout No Material Tungsten carbide Set Individual Individual Diameter Measurement 3 8 in For Use on Metal Yes For Use on Drywall No Type Bur For Use on Plastic Yes Application Cutting