Cutter Wheel, Compatible Threader Grainger Part Number 4ERZ4, 4ETA1, 60PZ78, Compatible Threader Manufacturer Part Number 63004, 63005, 63006, Compatible Threader Series Ropower 50R, Supertronic 2SE, Supertronic 4SE, Product Type Cutter Wheel, Maximum Compatible Pipe Size 2 in, Minimum Compatible Pipe Size 1/8 in, For Use With 63005 Ropower 50R, 63004 Supertronic 2SE