Pipe Threading Dies, Compatible Pipe Size 1 in to 2 in, Compatible Material Type Alloy, Conduit, Galvanized Steel, Iron, Stainless Steel, Steel, Thread Type NPT, Compatible Thread Direction Right Hand, Die Material High Speed Steel, Die Head Compatibility Rothenberger R Series, Compatible Threader Series Ropower 50R, Application Pipe, Number of Dies 4, Threads Per Inch 11 1/2, Compatible Threader Type Threading Machine