OPEN EYE TYPE; CARBON STEEL MATERIAL; ZINC PLATED FINISH; 6 INCH; 4 INCH THREAD LENGTH; 3/8 INCH NOMINAL DIAMETER; 16 TPI; 1 INCH EYE INNER DIAMETER; CIRCULAR CROSS SECTION SHAPE; SHANK LENGTH 4-1/4 INCH; INCLUDES HEX NUT; PACKAGING QUANTITY 20 PER BOX