Greenlee 60A-3/4 Stubby Auger Wood Bit, 3/4-Inch Over center single flute design for cleaner holes and less splintering Unique cutting edge design for fast and smooth cutting action Better access to tight spaces between studs and joists Augers have self-feeding screw point that draws bit through all wood types with less operator fatigue 1/4-Inch hex quick change design for fast and easy use in all drill types