Ridgid 46747 Dies, 4PJ 4" NPSM HS 46747 Dies, 4Pj 4" Npsm Hs This item is used for Handtools & Tool Organizers ,Other Hand Tools This product manufacture by United States For a 4PJ Pipe Threader High Speed RH 4" - 8 Nominal Pipe Size - Threads per Inch