6-1/4 O.D. Top Sub with O-Ring and Protector on Pin Thread

6-1/4 O.D. Top Sub with O-Ring and Protector on Pin Thread furnished with 3-1/2 12.95# PH-6 Box Top Connection with 15 Fishing Neck for use with 15K Packoff Bushing. f/ Logan Series 150 Overshot.