Replacement Pipe Die Compatible Pipe Size 2 1/2 in to 4 in Compatible Material Type Alloy Conduit Galvanized Steel Iron Steel Thread Type NPT Compatible Thread Direction Right Hand Die Material Alloy Steel Die Head Compatibility Rothenberger Automatic Opening Compatible Threader Series Rhino Supertronic 4SE Application Pipe Number of Dies 4 Threads Per Inch 8 Compatible Threader Type Threading Machine Compatible Die Head Grainger Part Number 4ETA1