Description: 9"11"16" inch height;Spiral Mast for better reception. High durability, Simple installation, just unscrew the existing aerial and replace with this one. Please Screw The Antenna To The Base With Clockwise Direction It harmonizes with the car body, not only dressing up your car, but also providing good condition for receiving signals. Don't miss the opportunity to make your car look more cool and differ from the common. Features: 100% brand new, made by high quality rubber and aluminum, quality assurance. High temperature and corrosion resistant, sturdy and durable. Easy reliable installation. Screw it in the antenna base. Plug and Play. Easy installation, no modification is required. Stable characteristics, high reliability,Compatible with many vehicles Specifications: Material: rubber & aluminum Color: black Voltage: 12V Screw thread fittings: Approx. 5 mm / 0.2" Optical Length: 9/11/16 inch to choose Package Weight: approx.30g