Drain Cleaner ADAPTER FROM GENERAL TO RIDGID K375, K380, K400 & K50 K3800
Common cable sizes this fits are 3/8" and 1/2". Your Ridgid Bits are either 5/8" or 7/8". If your Ridgid CABLE END SIZE is 7/8", your Ridgid Bits will not fit this adapter. 5/8" Cable EndAdapter".