8-3/8 O.D. Top Sub furnished with Blank Top, with 3-1/2 ID

8-3/8 O.D. Top Sub furnished with Blank Top, with 3-1/2 ID x 6-5/8 OD x 30 Long Fishing Neck, with three mill slots stencilled with serial number and name as specified by customer. (A5355)f/ Logan Series 150 Overshot.