The RIDGID C-27 (92470) 5/8 in. x 75 ft. Inner Core Cable is ideal for cleaning 3" to 6" drain lines, including vents, laterals, and floor drains. Its inner core resists kinking and provides good flexibility for negotiating tough bends and traps. In addition, the inner core delivers high cleaning power to the cable end while also maintaining stiffness under load. The cable is suitable for use with K-6200, K-750, K-7500, and K-750R Drum Machines.