4-3/8 O.D. Special Extension Sub, 24 Long with 3-3/8 I.D.

4-3/8 O.D. Special Extension Sub, 24 Long with 3-3/8 I.D. and with Box thead to fit Pn. A1016 (A4620) Top Sub (A11024) f/ Logan Series 70 Short Catch Overshot.