16 O.D. Top Sub furnished with 7-5/8 API Regular tool join

16 O.D. Top Sub furnished with 7-5/8 API Regular tool joint (with 9-1/2 O.D. x 15 Long Fishing Neck) box top connection and with 12 I.D. x 8 Bore in bottom of Top Sub.F/ Logan 16 O.D. Series 70 Overshot