Coupling Nut Material Grade/Class Grade 2 Material Steel Finish Zinc Plated Thread Size 3/8 In.-16 Thread Style Partially Threaded Hex Width 3/4 in Overall Length 4 in Dimensional Standards ASME B18.2.2 RoHS Compliant Material Quality Standards SAE J995 System of Measurement Inch Thread Direction Left Hand and Right Hand Pack Size Small Pack Package Quantity 2