OPEN EYE TYPE; CARBON STEEL MATERIAL; ZINC PLATED FINISH; 2-1/2 INCH; 1-3/8 INCH THREAD LENGTH; 1/4 INCH NOMINAL DIAMETER; 20 TPI; 9/16 INCH EYE INNER DIAMETER; CIRCULAR CROSS SECTION SHAPE; SHANK LENGTH 1-1/2 INCH; INCLUDES HEX NUT