【HIGH QUALITY MATERIAL】The Push Lock Hose Fitting is 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 pressure】: 2000PSI, temperature range: -40℉ to 248℉. 【ANTI-LEAKAGE DESIGNS】Push on with 37- degree mating angle which provided superior sealing,Push on lock fitting raised edges stop the hose from sliding and prevent leakage,Aluminum hose cover for hose sliding and protection of hose ends, have a smooth snag-free performance. 【Adapter Fitting Size】-Female AN4 AN6 AN8 AN10 AN12 AN is a general representation method for car modified oil cooling joints and oil pipes; an6, an8, an10 do not mean 6mm, 8mm, 10mm, and their corresponding inner diameters of the oil pipes are 8.7mm, 11.11mm, 14.2mm; therefore, please dear When purchasing products, be sure to pay attention to the inner diameter of the tubing. 【WIDE APPLICATIONS】Swivel Hose End Fitting usually used for Oil/ Fuel/ Water/ Fluid/ Airline etc. Connect engine transmission oil cooler, engine and air filtration system, engine and cooling system. Suitable for EFI systems rubber push-lock oil hose. (Not compatible with PTFE hose, nylon baided hose or stainless steel braided hose.) 【Easy to Use】Hose fitting are easy to install, We normally recommend a bit of assembly lube to push the hose onto the nipple. This weld-free fitting that gives better fluid flow and integrity over the normal brazed together hose ends fitting.