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