Coupling Nut, Material Grade/Class Grade 2, Material Steel, Finish Zinc-Plated, Thread Size 1/4 In. -20, Thread Style Fully Threaded, Hex Width 3/8 in, Overall Length 3/4 in, Dimensional Standards ASME B 18.2. 2, RoHS Compliant, Material Quality Standards SAE J995, System of Measurement Inch, Thread Direction Right Hand, Pack Size Small Pack, Sight Hole Yes, Package Quantity 5. This item has been restricted from sale in the following state (s): []