Daredevil, 10 piece, spade bit set, features a full cone threaded tip for fast & effortless drilling, contoured paddle for fast chip removal, spur & reamer tips for cleaner holes, includes the following sizes: 1/4", 3/8", 1/2" , 5/8" t, 3/4" , 9/16", 7/8" , 1" , 1-1/8" , 1-1/4" , 1/4" hex shank, 5" drilling depth, 6" overall length.