4-3/4 O.D. Special Shoulder Type Spear Mandrel, with Helix

4-3/4 O.D. Special Shoulder Type Spear Mandrel, with Helix for LEFT HAND Spear Grapple, with 36 Long C Dimension, with Right Hand Thread for Bull Nose Nut and furnished with 3-1/2 API I.F. Right Hand tool joint box connection. (9681) f/Logan Rel