Task Tools T11683 6-Inch Signature Spade 3-Piece Bit Set, Includes 1/2-Inch, 3/4-Inch and 1-Inch Bits 6-Inch spade bit for boring wood High Speed Steel construction for fast drilling through hardwoods Full cone threaded tip pulls through wood with minimum effort and vibration Aggressive quick-cutting spurs drill up to 10 times faster than conventional wood boring bits Bit sizes: 1/2-Inch, 3/4-Inch, 1-Inch