The RIDGID C-2 5/16 in. x 25 ft. cable with drop head auger is ideal for cleaning 3/4 in. to 1 1/2 in. drain lines. The drop head auger easily leads into down drain pipes, it is particularly helpful for cleaning back to back mounted fixtures and severe bends. The cable has a hollow core design that provides maximum flexibility for severe bends and "P" traps. It is suitable for use with K-40 and K-45 sink machines.