14490 Features: -Black Max spade bits feature a black quench coating that increases wear resistance.-They cut 3 times faster than standard spade bits thanks to the innovative screw point tip.-The tip is threaded like a wood screw and literally pulls the bit through the wood for fast cutting action.-The pulling action of the tip means less pressure is required behind the bit making overhead applications easy on the arms.-Easy use in tight spaces and feature a 1/4" quick change hex shank with power groove.-Carded. Dimensions: -1" diameter.-4" length.