【SELF-ADHESIVE MOUNTING】: The bottom of this shark fin antenna is equipped with super sticky 3vv adhesive. Self-adhesive installation is very easy, no need to punch holes or any tools, which greatly saves your time and money. You can put it into the air vent heating for a few minutes and then paste, which will be more solid and not to fall off. | 【FITS MOST CARS】: The dimensions of the shark fin antenna are 6.69 x 2.75 x 2.36 inches. Universally fits for most of the car models whose origin antenna is capable of being dismantled and re-installed, but if the size of your original antenna's base is bigger than the displayed dimension, this shark antenna will not fit your car. It is only suitable for flat car roofs, not for curved roofs. | 【TOUGH & STURDY】: Our shark fin antenna is made of sturdy ABS material, and its surface is painted with a professional grade paint job. This gives it a very premium look that blends in perfectly with your car without standing out. The streamlined design can effectively reduce the wind resistance and give you the most pleasant driving feeling. | 【ENHANCE THE SIGNAL】: The all-copper conductor wire and chip can make the signal more stable and powerful. It helps you to receive AM/FM signals better, so you won't be bored or bothered by intermittent signals during the journey. In addition, the unique appearance of the design can also decorate your car, so that your car more lovely and attractive. | 【EXCELLENT SERVICE】: All products has been strict quality inspected. If you want to buy our products, please do not hesitate. Please feel free to contact us at first if there is any problem when you receive or use our products. We are always here to support you.