Drill America 12 Piece Tungsten Carbide Set Cutting Bit Accessory Kit Bathroom Wall Cabinet Automatic feed ensures consistent cutting Automatic feed ensures consistent cutting diameters during the entirety of the project while the adjustable handle rotates and slides to meet the user's needs Base dimensions: (L x W) 22 7 8 in 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 Diameter Measurement Set For Use on Glass No For Use on Wood Yes Warranty None For Use on Ceramic No For Use on Concrete No For Use on Grout No Material Tungsten carbide Set Individual Set Total Number of Pieces 12 For Use on Metal Yes For Use on Drywall No Type Bur For Use on Plastic Yes Application Cutting