For sales is one set RIDGID model 12R pipe threader die head.
Comes installed with a set of chaser.
Excellent condition.
Model 12R has geared body OD of about 3 5/8" for ratcheting handle.
Welcomed to Toolingstation, website that has plenty of low price engineering items. Long term ebay seller.
Toolingstation is an Australia company supplier of taps, dies, end mills and milling cutters, saws, keys and wrenches, and various engineering tools and supplies -- Google search