Ridgid 48660 1-1/4-inch 500B High Speed Bolt Dies 48660 Dies, 500B 1-1/4 Nc Hs This item is used for Handtools & Tool Organizers ,Other Hand Tools This product manufacture by United States For 532, 542 and 500B 1-1/8"-2" Die Heads RH High Speed 1-1/4" rod size 7 TPI