Nipple Chuck, Compatible Threader Grainger Part Number 4ERY9, Compatible Mfr. Model No. 00579, Compatible Threader Series Classic 22A, Rhino, Thread-O-Matic, Product Type Nipple Chuck, Maximum Compatible Pipe Size 2 in, Minimum Compatible Pipe Size 1/2 in, For Use With Pipe Threading Machines, Package Quantity 3