Aftermarket Heat Treated Changeover / Crossover Su

- Old Stock Heat Treated Changeover / Crossover Sub Adapter, - tool joints 2” x 3” pin (male) to 1 5/8” x 2 5/8” box (female), - diameter 4 1/4", length 16-1/2“ (length does not include pin thread measurement) - vintage / antique Americana history Cable / Spudder Drill Tooling - appears to be good, just might need cleaned and/or greased. - Located in Mifflinburg, PA USA