Coupling Nut Reducer Material Steel Material Grade/Class Grade 2 Finish Zinc Plated Thread Size A 3/4 In.-10 Thread Size B 1/2 In.-13 Thread Style Fully Threaded Hex Width 1 in Overall Length 1 1/2 in System of Measurement Inch Thread Direction Right Hand Minimum Tensile Strength 10 500 psi Pack Size Small Pack Proof Load 90 000 psi Rockwell Hardness C32 Package Quantity 10