Threading Machine Die Head Maximum Compatible Pipe Size 3/8 in Minimum Compatible Pipe Size 1/4 in Head Opening Type Semi-Automatic Thread Type NPT Compatible Thread Direction Right Hand Compatible Dies 00030 00226 Compatible Threader Type Threading Machine Compatible Threader Series Collins Compatible Mfr Model No 00579 Through-the-Head Oiling Yes Application Pipe Die Head Type Snap-O-Matic For Use With Collins 22A Machines Includes 1 Set of Dies