Features: Using high-quality aluminum production, plastic junction sealed to ensure that no oil leakage and leakage.Fast connection design, easy to install, simple to use.This push lock hose end fitting is widely used in oil, water, fluid, airline and so on.Specifications: Size: 4/6/8/10/12 ANProducts Angle: 0,45,90,180Material: Aluminum AlloyColor: BlackApplicable models: Generic modelsApply to all oil/ fuel/ water/ fluid/ air/ gas/ coolant line, cars with turbo modification, installation of the oil cooling radiator connections. Work with rubber hoses.Not compatible with PTFE hoses/ E85 hoses/ nylon or stainless braided hoses.Package Included: 1 X Hose End Ftting (100% Brand New Never Used Or Installed) Note: AN4,AN6, AN8, AN10,AN12 not means 4mm 6mm, 8mm, 10mm,12mm. Which corresponds to the inner diameter of the tubing were 5.59mm,8.7mm, 11.11mm, 14.2mm,17.52mm. Therefore, when purchasing products, be sure to pay attention to the inner diameter of the tubing.