2-1/8 O.D. (Oversized from 1-29/32) Top Sub made from 17-4

2-1/8 O.D. (Oversized from 1-29/32) Top Sub made from 17-4 Stainless Steel and furnished with 1-1/16 10 Thd. (with 1-3/8 O.D. Otis Fishing Neck) Pin connection (9341)f/ Logan Series 10 Overshot