Drill America 5 Piece Tungsten Carbide 1 4 in Cutting Bit Accessory Nut Driver Set modern look A wide variety Item Weight:.625 modern look A wide variety of sizing options allow for endless design opportunities Excellent for kitchen backsplashes and shower walls Eco friendly with zero VOCs Beautiful glazed ceramic Easy to care for and maintain It is recommended to add 10% overage to the purchase to accommodate for cuts and waste during installation pieces for classic subway layouts 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 For Use on Metal Yes Diameter Measurement 1 4 in For Use on Drywall No Type Bur For Use on Plastic Yes Application Cutting