A third benefit of the sectional cable drain cleaners comes from a completely adjustable clutch feature you will find on a professional quality machine. The clutch protects the cable from overload when a tough stoppage is encountered. A fourth, and sometimes overlooked benefit, is that a drum-type machine has a fixed capacity of cable length typically 100 feet or less. The sectional machine can clean to distances in excess of 200 feet.
Other aspects of the sectional machine which are desirable are its light weight, ease of transportation, and a fold-down handle for easy use in restricted areas such as crawl spaces.