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