Drain Cleaning Tool set, For Use With K-39AF, K-39B-1, K39/68057, K400 WC32/24853, K400 WC45/26998, Mfr. No. K40/71722, Size 1-1/8 in to 2-3/8 in, Connection Size 3/8 in, Material Steel, Number of Pieces 4, Includes 1-1/8 in Bulb Auger, 1-3/8 in C Cutter, 1-3/8 in Spade Cutter, Coupling Pin