Aftermarket 10 Sub Adapter

- 10" Sub Adapter - 4 1/2" API Reg PIN X 4 1/2" Beco Box, - 10" Shoulder to Shoulder, - 4 1/4" Wrench Flats. - Crossover Connection for Drill Pipe, Collars, Bits, Hammers, Stabilizers or Other Drilling Rig String Componets. - Appears to be New and Unused (Old Stock), - Don't Know What Brand but Marked with Driltech/Sandvik(?) - Part Number: 3118-03 - Located in Mifflinburg PA USA