Spade Cutter Head Type Spade Cutter 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 Cutters Compatible Cleaner Manufacturer Part Number 2818-20 2871-20 Application MILWAUKEE Coupling Cables RUST GUARD Plated Cables Compatible Cable Core Type Inner Core Cutter Type Spade Cutter Features Rust Protection For Use With Drain Cleaning Machines Material Steel