The 1405 NPT Female x Female Swivel Hydraulic set of fittings includes three fittings with 3/8 inch diameters on both ends. These fittings are designed for use in hydraulic systems and offer easy swivel capabilities for connecting and disconnecting hoses. The durable construction and threaded design ensure reliable performance in a variety of industrial applications. Ideal for businesses in need of high-quality fittings and adapters for their hydraulic systems.