Features: 1.100% brand new, made by high quality rubber and aluminum, quality assurance. 2.High temperature and corrosion resistant, sturdy and durable. 3.Comes with 3 different screws, universal fit for most screw-on antenna with 4mm, 5mm and 6mm screw thread fittings. 4.Easy installation, no modification is required. 5.Stable characteristics, high reliability. Specification: Features: 100% brand new, made by high quality rubber and aluminum, quality assurance. High temperature and corrosion resistant, sturdy and durable. Comes with 3 different screws, universal fit for most screw-on antenna with 4mm, 5mm and 6mm screw thread fittings. Easy installation, no modification is required. Stable characteristics, high reliability. Specifications: Material: rubber & aluminum Color: black Screw thread fittings: 4mm, 5mm and 6mm Length: about 9 inch Package Weight: approx.45g Package List: 1 * Aerial Antenna 3 * Screw Thread Fittings Notes: 1. Please check the sizes carefully before ordering to make sure this item is perfect apply. 2. It is easy to install, but professional installation is always recommended. PackageList: