Replacement Pipe Die, Compatible Pipe Size 1 in, Compatible Material Type Aluminum, Steel, Thread Type NPT, Compatible Thread Direction Right Hand, Die Material Alloy Steel, Die Head Compatibility Ridgid Handheld, Application Pipe, Number of Dies 4, Threads Per Inch 11 1/2, Compatible Threader Type Handheld Manual & Power Threaders, Compatible Die Head Manufacturer Part Number 0-R, 00-R, 11-R, 12-R, 30A, 31A, Package Quantity 4 This replacement pipe threading die is designed for use in pipe threading machines. It creates a right-hand threading direction and features alloy steel construction.