Opening Tool Head Type Opening Tool Compatible Cleaner Series M18 Sectional Machines Connection Size 5/8 in Maximum Drain Line Inside Diameter 2 in Minimum Drain Line Inside Diameter 1 1/4 in Product Type Cutters Compatible Cleaner Manufacturer Part Number 2818-20 Application Sectional Machine Cables Cutter Type Opening Tool Features RUST GUARD Plating For Use With M18 FUEL Sectional Machine (2818-21) Milwaukee M18 FUEL Sewer Sectional Machine (2871-22) Material Steel