IRWIN Marples 2 1 8 in Woodboring Forstner Drill Bit Flooring Rolls wood box assembly and fencing wood box assembly and fencing Easy to use depth adjust allows for a wide variety of applications and consistent depth in work surfaces The no mar tip eliminates damage to working surfaces 5 extra sealing blocks and (1) 1 8 in IRWIN Marples Forstner bits drill clean and precise flat bottomed holes and pocket holes quickly and easily Teeth designed for clean holes Cutting angles maximize speed of cut Reduced shank fits 3 8 in and larger drills and drill presses Series Name N A Sub Brand Marples Bit Type Forstner bit Bit Length 3 11 16 in Shank Size 3 8 in Shank Type Round Material High speed steel Case Type N A (no case) Quick Change No For Use With Power tool For Use on Metal No For Use on Wood Yes Warranty None Set Individual Individual Package Quantity 1 CA Residents: Prop 65 Warning(s) Yes Brand Model Compatibility All Bit Diameter (Inches) 2 1 8 in