Coupling Nut, Material Grade/Class 18-8, Material Stainless Steel, Finish Plain, Thread Size 3/8 In. -16, Thread Style Fully Threaded, Hex Width 9/16 in, Overall Length 1 3/4 in, Dimensional Standards ASME B 18.2. 2, System of Measurement Inch, Thread Direction Right Hand, Pack Size Small Pack, Package Quantity 5