5-7/8 O.D. Special Extension Sub, 24 Long with 4-1/2 I.D.

5-7/8 O.D. Special Extension Sub, 24 Long with 4-1/2 I.D. and with Box thread to fit Pn. A1035 (8976) Top Sub (10561) f/ Logan Series 70 Short Catch Overshot.