Diablo SPEEDemon Spade Bit Set, Number of Pieces: 9, Suitable for: Cordless and Corded Impact and Drill Drivers, Includes: 1/4 in , 3/8 in, 1/2 in, 9/16 in, 5/8 in, 11/16 in, 3/4 in, 7/8 in and 1 in Spade Bits