Bulb Auger Head Type Bulb Auger Compatible Cleaner Series M18 Drum Machines Connection Size 2 in 4 in Maximum Drain Line Inside Diameter 4 in Minimum Drain Line Inside Diameter 2 in Product Type Augers Compatible Cleaner Manufacturer Part Number 2818-20 2871-20 Application MILWAUKEE Coupling Cables RUST GUARD Plated Cables Auger Types Included Bulb Auger Compatible Cable Core Type Inner Core Features RUST GUARD Plating For Use With Drain Cleaning Machines Material Steel