Model Speedrooter 92 Line Capacity：2"~10" Cables：1/2", 5/8", 3/4"(EM) Speedrooter 91, portable and versatile. It uses two different size drums, one with 3/4" cable and one with 1/2" cable, enabling it to handle two through ten inch lines. It has a see-through inner drum cage that prevents cable tangling, while enabling the operator to see how much cable is left in the drum. Power feed takes most of the muscle work out of drain cleaning because it has the pulling power to get your cable out of the line, even on long, tough jobs. Other features include V-Belt Stair Climbers, 10" ball bearing wheels, tool box, Air-Foot Switch, Ground Fault Circuit Interrupter. * Load Speed：170RPM