Anodized Black Nipple and Cutter Design Assures Leak Free Performance Bent Tube Design Provides Excellent Fuel Flow Capacity Precision Machined Dual Plane Anti-Seepage Seal Retention Pins Allow 360° Adjustment After Installation With our hose fittings and associated hydraulic hoses you can make oil and fuel-lines. We recommend -4 AN for oil - supply lines -10 AN for oil return lines. The female 45 degree swivel fittings are made of lightweight aluminum alloy 6061-T6 material for strong strength and good durability. Black anodized for great appearance and anti-corrosion, superior thread strength. Max Working Pressure: 1000psi. Working Temperature Range: -65℉ to 252℉ （-53℃ to 122℃). Can be suitable for competition applications where reduced weight is needed. 45 degree swivel hose end is widely used in oil/ fuel/ water/ fluid/ airline etc. Connect oil gas line, braided fuel line, clutch hose, turbo line etc. Our swivel fitting is work with nylon braided fuel hose. They are not compatible with PTFE hose, E85, rubber hose. These new full flow swivel hose ends swivel 360° to allow for a quick alignment of the hose after assembly.Swivel hose end can be reused and recycle if you do not want them to stay in the original place. Weld-free construction that gives better fluid flow and integrity over the normal brazed together hose ends. Swivel fittings are easy to use and don't require special equipment. We normally recommend a bit of assembly lube to help prevent any galling.