Logan Releasing Spear Assembly complete with 7-3/4 OD Shoul

Logan Releasing Spear Assembly complete with 7-3/4 OD Shoulder Type Mandrel with 6-5/8 Regular Box Top Connection, dressed with 8.688 Nominal Catch Spear Grapple to catch 9-5/8 OD, 40.0 - 53.5 lb. API Casing and with Release Ring and Bull Nose Nut. (