Aftermarket Short Sub Adapter

- Short Sub Adapter - 3-1/2" IF (Internal Flosh) PIN (Male) TO 4" I.F. OR 4-1/2" X.H. API. Tool Joint Thread Connections. - Crossover Connections for Drill Pipe, - Collars, - Bits, - Hammers, - Stabilizers or Other Drilling Rig Sting Compents. - Appears to be New and Unused (Old Stock), - Don't Know what Brand but Painted in Atlas Copco / Epiroc Colors. - Complete with Thread Protectors. - Located in in Mifflinburg PA, USA