COBRA PRODUCTS GIDDS-211332 3/4" x 100' Speedway Drain Cleaning Machine 3/4" x 100' slotted end cable and 4 piece cutter set 3/4 hp heavy duty capacitor motor with forward-off-reverse switch and manual thermal overload protector switch Cleans 4" to 10" lines and is used for main drains, sewer lines and root block