The replacement RIDGID C-32 Cable is a drain cleaner cable for drum machines such as K-3800 and K-375 that are most often used for cleaning indoor drains, such as sink lines, floor drains and roof vents. An Inner Core cable is more flexible than the Integral Wound (IW) cables and provides more cleaning power to the cable end. Includes one 3/8 in. x 75 ft. inner core cable for use with 1-1/2 in. to 3 in. plumbing lines.