RIDGID® 62990 ; Size 5 in L ; Suitable For Use With Model K40/71722, K-39B-1, K39/68057, K-39AF and K-50-8/59000 Drain Cleaning Machine ; Material Steel Plumbing Auger For RIDGID Spirals RIDGID® T201 Straight Auger, 5/8 Cable - Core & Main 16mm Inner Coupling Cable For the initial pass through a blocked drain, you'll want to use a RIDGID 62990 T-201 Straight Auger. It's great for exploratory missions because it picks up a sample of the stoppage and brings it back to the surface Straight drill bit 125mm long, 16mm inner coupling Steel Dragon Tools K50 Drain Cleaning Machine Fits Ridgid C8 Snake Sewer Cable Suitable for RIDGID spirals model C-4,C-6,C-6IC,C-31IW,C-33IW,C-44IW,C-45IW