Super Signal: The perfect structure gives the antenna a powerful FM DAB reception function and stability. Even in extreme weather conditions, the car antenna can maintain a normal connection, and you can receive outside information and listen to music at any time. High Compatibility: The product is equipped with three types of adapters (M4, M5, M6) for you, which are suitable for different types of cars (for example, compatible with the car model Golf 4 Golf 5, etc.). More choices to easily find the adapter you need. Quality Materials: This car antenna uses high-quality stainless steel inside, and the outside is made of high-quality rubber, which has excellent durability and flexibility. Bending into different arcs is not easy to break. Exquisite Design: Sports coiled design, anti-noise, very low wind noise, the appearance is smooth, without burrs and odorless. Whether on the way to work or traveling, it is a beautiful landscape. Easy Installation: No need complicated tools, screw the car antenna after installing the adapter screw, onto the base of your vehicle's antenna. After screwing, the antenna can be used normally. Attributes: 1.Length: 18cm 2.Color: Black 3.Thread: M6 internal thread. 4.Thread adapter: M4+M5+M6 external thread, 1 piece each. 5.Rod material: fiberglass, spiral exterior, anti-noise. 6.Bar material surface: rubber coating 7.Suitability: Car antenna adjustment to any car stereo for all standard 16V antennas with M6 antennas 8.M4, M5 and M6 thread accessories. Products include: 1*car antenna