Features: Material: Made of quality aluminum and rubber . High temperature and corrosion resistant, strong and durable. Comes with 3 different screws, suitable for most 4mm, 5mm and 6mm threaded antennas. High performance: Stable characteristics, high reliability, the quality is guaranteed, you can use it with confidences, you can use it for a long time. Easy for Installation: Convenient installation, no modification is required, it wan't waste you too much time to install. PERFECT FITS: Designed according to original factories specifications, ensuring a perfect fits. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Rubber and Aluminum Color: Black Screw thread fittings: 4mm, 5mm and 6mm Length: Approx. 9 inches Package List 1 * Antenna 3 * Threaded Connectors Package List: 1 Set Universal Car Roofs Antenna Replacement