About this item Applicable: 1.2-inch roof antenna, which can receive and enhance signals with stable performance. Comes with 3 threaded adapters, suitable for most models. Material: High quality metal and ABS material, anti-rust, anti-corrosion, durable and long service life. Waterproof and anti-corrosion, no need to worry about water interference. Fashion: Exquisite workmanship, stylish and generous design, bring a more charming appearance to your car. It can make your car look more coordinated and attractive in actual use. Classic colors and simple design, stable performance and high reliability. Simple Installation: no complicated operation, easy to use. The installation is very simple, there are no complicated steps and you won't waste much time. It is fixed by nut, which is not easy to fall off and is firm, and does not need to be replaced frequently. Good Alternative: Made with superb production craftsmanship, the product is easy to install and perfectly matched to the car. Fine workmanship, wear-resistant and corrosion-resistant. The perfect replacement for the old and shabby.