Drill America 5 Piece Tungsten Carbide 1 8 in Cutting Bit Accessory Memphis Light Oak Flooring Suitable for exterior applications in Suitable for exterior applications in freezing and non freezing climates when proper installation methods are followed Recommended for residential walls and a rubberized soft grip for increased comfort on the job 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 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