Features: Made of high performance lightweight cnc machined billet aluminum material. The AN thread is a particular type of fitting used to connect flexible hoses and rigid metal tubing that carry fluid. Anodized finish for strength, durability and anti-corrosion. for Ideal for sealing off exposed or unused AN bungs for preventing leakage of fluids into exposed areas; Protects the machined surface of the AN flare, preventing them from getting damaged. Universal using for braided fuel lines hose, oil, fuel, water, fluid and air line. Specifications: Material:Aluminum Fitting Diameter:AN4,AN6,AN8,AN10,AN12 Net Weight:300g Package Includes: 1x AN4 Fitting 1x AN6 Fitting 1x AN8 Fitting 1x AN10 Fitting 1x AN12 Fitting note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.