Southwire 3 8 in High Speed Steel 5 Step Drill Bit Straight Pipe Wrench purchase compatible 1 2 13 nuts and 1 Cabinet Product Type purchase compatible 1 2 13 nuts and washers separately if needed Item Weight 643 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