Drill America 5 Piece Tungsten Carbide 3 8 in Cutting Bit Accessory Vinyl Riser quieter than gas engine pressure Item Weight:.625 quieter than gas engine pressure washer and compare to the standard garden hose Fluted Shank Grip: Ribbed shank design improves holding power in uncured concrete and block 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 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