Advantages and Benefits of This Sewer Machine Stronger cable: 1/2”X 75' solid, inner core sewer snake cable, allowing more power to be passed to cutting heads; cleans drain pipe of ID from 2" to 4". Durable Steel Drum: No degradation from weathering as with plastic drums. Clean working area: Hold dirty, pull-back water inside drum, which can be discharged outside of buildings after each job. Easy-change cable: The machine has a build-in short connection cable which allows the cable to be easily changed with other cables (3/8"X75’, ½”X65’, ½”X75’, 7/16”X75’ and 7/16”X100’, etc.) Easy-change drum assembly: The drum assembly can be easily changed with other drum assemblies with other drum assemblies holding different cables. All electrical components UL certified: Makes this sewer snake, drain cleaning machine very reliable. More compact design: Can be stored in a very compacted space, especially favorable to homes, restaurants, hotels, and apartment complexes where storage spaces are limited. Cable feed/Power Feed/Auto Feed (Optional): Has the option to install, helps drive cable into and retrieve cable from drain lines; makes jobs much easier. Cable guard (Optional): Has option to install; prevents cable from kinking, protects worker. Easy to move: Equipped with a moving handle and two moving wheels. Easy for operation control: Built with an internal foot-switch. Motor: 1/3 HP, 120 VAC, 60Hz, 6' power cord made with GFCI. Drum: 330-mm OD, powder-coated steel drum, Drum operating speed: 227 RPM. 1 year manufacture-defect warranty (Free return if machine has defects).