Ridgid k-400 drain snake cable replacement. The new cable is from the company drain cable direct. I ordered a 3/8 cable no core with double male threaded coupling ends. I don’t use the Ridgid cable because I don’t like the bulky end. Hope this helps someone.

Cable https://www.dcddrain.com/product/3007...
Blade https://www.dcddrain.com/product/BL401
1/2 Blade https://www.dcddrain.com/product/BL301