2-1/2 O.D. (Oversized from 2-1/8 O.D.) Top Sub with BLANK

2-1/2 O.D. (Oversized from 2-1/8 O.D.) Top Sub with BLANK connection, Blanked for 1-1/4 CS Hydril 3.02# (27766)f/ Logan Series 10 Overshot