The Milwaukee® 3 in. root cutter cuts through roots inside the line. This drain pipe root cutter is best used in 3 in. to 4 in. 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 5/8 in. & 3/4 in. drum cable designed for the MX FUEL™ sewer drum machine (MFX500 and MXF501).