Greenlee 61PTS-3/4 Nail Eater Extreme Shorty Auger Bit, 3/4-Inch Improved cutting edge provides 30 Percent longer life span Self-feeding screw point draws bit through wood Overall length 7-5/8-Inch, twist length of 5-Inch "Shorty" bits, for working in tight places, yet still can go through three abutting 2 by 4s Made of super tough, heat-treated steel and cuts through nails and provides longer life