Features: High quality aluminum alloy, with good processing performance, excellent welding characteristics and electroplating, good corrosion resistance, high toughness and no deformation after processing, dense material without defects and easy polishing, easy color film, oxidation effect/good/and other excellent characteristics. Each part is precision machined, which can ensure the performance of the gearbox- to a large extent and achieve trouble-free. Aluminum alloys used exceed the manufacturing requirements for hose joints. Simple design, it is easy for you to operate. These hose fittings are made of good quality material for strong strength. The AN thread is a particular type of fitting used to connect flexible hoses and metal tubing that carry fluid. An important car part, it's used for the automotive performance field for its ease in adaptability, upgradability and durability. Fitment: Universal fit for gas, oil, fuel, fluid, air line, etc. Specifications: Material:Aluminum Alloy Size: Approx.8x6cm/3.14x2.36inch Color:Black/Blue Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Adapter Fitting