Features and Benefits:•Designed to cut through roots•Interlocking cable connectors with pin key release•Steel construction•For 3" to 4" pipes•Works with Milwaukee 7/8" sectional cable•Works with Milwaukee M18 FUEL™ sewer sectional machine (2871-22) or other professional drain cleaning machines•Rust Guard™ plating to reduce corrosionThe MILWAUKEE® 3" root cutter cuts through roots inside the line. This drain pipe root cutter is best used in 3" - 4" pipes. The pipe root cutter has a steel construction and Rust Guard™ plating that provides longer-lasting head attachments. This head attachment works with Milwaukee 7/8" open wind sectional cable designed for the M18 FUEL™ sewer sectional machine with CABLE-DRIVE™.