SV-F Super-Vee Power Drain Cleaner for kitchen, bathroom, laundry drains and pipes from 11/4. up to 3 inch. Slide action chuck built into the grip shield which slides back to grip, allowing the cable to work through a stoppage and forward to disengage. Automatic adjustment for different size cables. Double insulated motor with reverse and variable speed trigger switch. Drum Cable maximum capacity - 35ft. x 3/8in. or 50ft. x 5/16in. Cable included 25ft.x1/4in. 3193Y(25HE1) with Basin Plug Head. Weight 9 Kg.