Drain Cleaning Machine Machine Type Sink Machine Maximum Drain Line Inside Diameter 2 1/2 in Minimum Drain Line Inside Diameter 3/4 in Number of Cables Included 1 Cable Diameter Included - Cable A 5/16 in Cable Length Included - Cable A 35 ft Number of Augers Included 1 Number of Cutters Included 0 Feed Type Automatic Tool Series K-40AF Auger Types Included Bulb Auger Cutter Types Included Not Applicable Power Source Corded Voltage 115 V Maximum Operating Speed 320 RPM