3-1/4 OD Flush Type Spear Mandrel with 1.687 Stub Acme Pin

3-1/4 OD Flush Type Spear Mandrel with 1.687 Stub Acme Pin Thread Connection, drilled and tapped with 1/2-13 N.C. x 7/16 deep. (9486) f/Logan Releasing Spear Assembly