U39666.050.0575 Hitch Pin, Pin Diameter 1/2 in, Shank Diameter 1/2 in, Shank Length 5 3/4 in, Pin Type Detent, Material Steel, Material Grade/Class Grade 1038/Grade 4140, Finish Zinc Plated, Usable Length 5 3/4 in, Product Type Hitch Pins, System of Measurement Inch, Maximum Hole Size 0.253 in, Minimum Hole Size 0.203 in, Head Diameter 5/32 in, Material Quality Standards Not Applicable, Dimensional Standards Not Applicable, Pack Size Small Pack, Head Diameter Tolerance +0.05/-0.00 in