Drill America 5 Piece Tungsten Carbide 1 8 in Cutting Bit Accessory Vinyl Tile Flooring Peel and Stick On off cut line blower keeps On off cut line blower keeps the cut line clear of debris runs 20% cooler 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 1 8 in For Use on Metal Yes For Use on Drywall No Type Bur For Use on Plastic Yes Application Cutting