3/8" x 18" hydraulic assembly with 1 female JIC with a 90 Elbow 3/8" x 18"hydraulic Hose assembly, 2 wire with a 5,000 PSI working, burst 20,000 PSI,with 1- Female JIC Swivel & 1 Female JIC Swivel with a 90* bend, Bite to wire fittings with 2 plastic caps on the fitting to keep the tube of the assembly clean, during shipping or storage. The fitting on this assembly are standard for the 3/8 hose, the threads on the 90 and straight is 9/16 x 18. PLEASE CHECK YOUR OLD ASSEMBLY; On your old assembly the female swivel nut should fit a 11/16 size wrench on both sides. You could have a old Gates assembly and the swivel nut would fit a 3/4" size wrench. If you have any questions, please let me know.