RIDGID FlexShaft machines — chain knockers driven by a flexible shaft for cleaning long runs of drain line up to 4" in diameter without sectional cable handling.
FlexShaft is RIDGID's answer to wall-to-wall drain cleaning that cable machines can't fully reach. The K9-102 and K9-204 push a chain knocker out to 125 feet and clean the full diameter of the pipe — useful for grease, scale, and root cleanup ahead of a camera inspection. Drain cleaning contractors who add FlexShaft typically charge premium pricing on commercial jobs because the result is visibly cleaner pipe.