Drain Cleaning Tool Set, Product Type Head Attachment Kit, Compatible Cleaner Series M18 Drum Machines, Number of Augers 2, Auger Type Bulb Auger, Drop Head Auger, Number of Cutters 2, Cutter Type C Cutter, Spade Cutter, Number of Cables 0, Maximum Drain Line Inside Diameter 3 in, Minimum Drain Line Inside Diameter 2 in, Application Coupling Cables, Cable Material Steel, Compatible Cleaner Manufacturer Part Number 2772A-21, 2772B-21XC, Connection Size 3/8 in, Coupling Type T-Slot