Dewalt dt8103 4 6 holesaw set dewalt dt8106 xj this holesaw set from dewalt has been designed specifically for general purpose users the kit is supplied in a durable plastic box for easy transportation and storage consisting of 13 pieces 2x hex shank mandrels 2x pilot drill bits 9x holesaws oslash 19 22 29 35 38 44 57 64 and 76mm dewalt dt8106 xj holesaw set plumbers