The dies fit for using in the following RIDGID® brand die heads:
00-R, 11-R, 12-R, 0-R Ratchet Threaders
30A, 31A, 3-way Pipe Threaders
U.S. Solid is not an authorized reseller for RIDGID® and/or Ridge products. RIDGID® Mark is a trademark of RIDGID, Inc or Ridge Tool Company. So there are no RIDGID logo on U.S. Solid products. The mark is used here just for product identification purposes.
U.S. Solid 1-1/4" threading dies are compatible with RIDGID® 37840 dies.