Feature: 1. Screw-in style antenna to bring stable and clear reception when listening to the radio. 2. The both ends of the antenna is made of metal materials, with carbon fiber in the middle. 3. Complete accessories, suitable for detachable models of the primal car antenna. 4. Short antenna does not affect the car get in or out of the garage. 5. Suitable for most cars, but except for Kia, for BMW and for Mercedes-Benz some modes. 6. It comes with 4 studs so you can select the one that fits for your vehicle. Specification: Due to the fact that the length of the antenna of most models is too high. Bring trouble to the low garage riders. However, if you change to a short antenna, it will reduce the sound transmission to a certain extent. This carbon fiber telescopic antenna is designed to take into account the signal while not affecting the car entering and leaving the garage. Features: Screw-in style antenna to bring stable and clear reception when listening to the radio. It comes with 4 studs so you can select the one that fits for your vehicle. The both ends of the antenna is made of metal materials, with carbon fiber in the middle. Complete accessories, suitable for detachable models of the primal car antenna. Short antenna does not affect the car get in or out of the garage. Suitable for most cars, but except for Kia, for BMW and for Mercedes-Benz some modes. Specifications: Material: Carbon Fiber Color: Red, Black, Silver, Blue (Optional) Item Size: shown as picture Length: 12CM / 4.72" Bottom Diameter: 1.5CM / 0.59" Package Size: 15.5*6.5*1.5cm / 6.1*2.56*0.59in Package Weight: 65g / 2.29oz Package List: 1 * Antenna 4 * Screws 1 * Rubber Ring Package List: 1 * Antenna 4 * Screws 1 * Rubber Ring