Southwire 3 8 in High Speed Steel 5 Step Drill Bit Bathroom shower faucet accessories Life time non transferable limited warranty on Life time non transferable limited warranty on parts and manufacturer's defects apply to a dry lawn and immediately water in Sub Brand N A Number of Hole Sizes 5 Diameters of Holes Drilled 1 4 in to 1 3 8 in Shank Size 3 8 in Shank Type Round Material High speed steel Set Individual Individual CA Residents: Prop 65 Warning(s) No Split point self starting tip requires no pilot hole and penetrates faster Tri lobe shank reduced slippage and firm grim in the chuck Laser etched sizes for easy identification Double flute design for fast cuts and a true round hole every time