This assembly is a 1/2" 2 wire hose with a working PSI of 5,000. The over all length is 30 inches, each end of this assembly has a female JIC threads are 3/4 x16. All of our assemblies have plastic caps on the fittings to protect the threads during shipping or in storage. PLEASE CHECK YOUR OLD ASSEMBLY, if you used a 7/8" wrench on both sides of the Female swivel nut this assembly will thread to your equipment. If you used any other size wrench, please let me know, and I help you find the correct assembly for you, or I build you one.