OPEN EYE TYPE; CARBON STEEL MATERIAL; ZINC PLATED FINISH; 3-1/4 INCH; 1-3/4 INCH THREAD LENGTH; 5/16 INCH NOMINAL DIAMETER; 18 TPI; 3/4 INCH EYE INNER DIAMETER; CIRCULAR CROSS SECTION SHAPE; SHANK LENGTH 2 INCH; INCLUDES HEX NUT