Drain Cleaning Machine Machine Type Sink Machine Maximum Drain Line Inside Diameter 1 1/2 in Minimum Drain Line Inside Diameter 3/4 in Number of Cables Included 1 Cable Diameter Included - Cable A 1/4 in Cable Length Included - Cable A 30 ft Number of Augers Included 1 Number of Cutters Included 0 Feed Type Automatic Tool Series POWERCLEAR Auger Types Included Bulb Auger Cutter Types Included Not Applicable Power Source Corded Voltage 120 V Maximum Operating Speed 450 RPM