Features and Benefits:�Designed for clearing grease clogs�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 3" grease cutter clears grease clogs inside pipes. This grease cutter for drains is best used for 3" to 4" pipes. The steel construction and Rust Guard™ plating provides longer-lasting head attachments. This head attachment works with 7/8" open wind sectional cable designed for the MILWAUKEE® M18 FUEL™ sewer sectional machine with CABLE-DRIVE™.