Drill America 5 Piece Tungsten Carbide 1 8 in Cutting Bit Accessory Indoor Outdoor Decor Lumens per watt 78 Item Weight:.625 Lumens per watt 78 the door can be opened past 90 degrees 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