DrainMaster MaX 100FTx1/2 Inch Sewer Snake W2841P299452[Automatic Feed System] Drain machine equipped with an auto feed,enables easy control of the cable forwrad and reverse,simply slide the handle to"F"or"R"and lightly press the foot switch. More labor saving and simpler than manual cable operation. Its 1 2 inch cable excels in handling larger and harder blockage,100FT length is more suitable for smaller residential or commercial environments. It's ideal for cleaning the drainage pipes in places like