Product Description 47910 Dies, 554 1/2-3/4 Npt Hs Ss. This item is used for Handtools & Tool Organizers ,Other Hand Tools. This product manufacture by United States. From the Manufacturer Rigid 47910 1/2-3/4-inch High Speed for Stainless Steel Pipe Dies. The Rigid 47910 1/2-3/4-inch High Speed for Stainless Steel Pipe Dies is a Pipe Die for Machine Die Heads. The Rigid 47910 1/2-3/4-inch High Speed for Stainless Steel Pipe Dies is for Nos. 514 (LH), 515 (RH), 555 (RH), and 1⁄2"-3⁄4" Dual Die Heads. The Rigid 47910 1/2-3/4-inch High Speed for Stainless Steel Pipe Dies is a H.S. For Stainless Steel RH with a 1/2" - 3/4" NPT and 14 TPI.