1 1/2" to 4" (30 mm to 110 mm) Drain LinesComplete unit includes: manual controls, solid core cable, 4-piece head set, and gloves. Corrosion-resistant cable drum includes 75-feet of ½-inch diameter cable. Integrated Transport Cart - Easy movement to and from the job site. Heavy-duty, large wheels easily navigate over bumps and up stairs.Integrated Cable Control System causes the drum to stop spinning if the head becomes lodged in a blockage. Induction-style belt motor spins at 165RPMs. "Solid Core” Cable - uses tough 3?8" (10 mm) or 1?2" (12 mm) Integral Wound (IW) solid core cable that is rugged and kink resistant.AUTOFEED® Control - offered as an accessory, this patented, automatic cable feed powers cable in and out of the drain. Reverse the direction of the AUTOFEED and the cable fe