✅ High Quality: The car antenna shark fin is made of high quality paint technology. Bright color, not easy to fad. Waterproof, dustproof, anti-exposure, sturdy and drop-proof. | ✅ Strong Function: The shark fin universal antenna can replace your original antenna. As the signal amplifier, this shark fin antenna can enhance the vehicle's signal with FM/AM connection cable inside while driving. | ✅ Universal Size: 6.88"/175mm x 2.36"/60mm x 2.83"/72mm. Please allow 0.5-1cm deviation due to manual measurement. Fit for most cars having a slightly curved or flat roof surface to install the shark fin antenna. (No Signal Function). | ✅ Easy to Install: Self-adhesive installation, no drilling required, just clean and dry your car, stick the antenna fin on the surface. Strong paste, not easy to fall off. | ✅ Please Note: If the size of your original antenna's base is bigger than 2.36"x3.15"(148mm*67mm), this shark antenna will not fit your car. When you find scratch on this antenna cover due to transportation, please wipe gently with a wet towel.