Left Handed Thread Size - 10-32 Pin Diameter - 3/16" Body Length - 3-1/2" Safe Working Load - 400 Lbs Approx. Breaking Strength - 1000 Lbs Length closed: 6-1/2" Length open: 9" Eye I.D. - 5/16" Jaw Opening - 3/16" Jaw Throat - 3/4"