Material-The car modified antenna is made of metal and carbon fiber, with metal at both ends and carbon fiber material in the middle. Solid and sturdy -The vehicle-mounted antenna is small in size, durable and resistant to wind and rain. You don't have to worry about it dropping suddenly on a windy day. What's more, it is powerful enough to enhance FM/AM broadcast signals. Receive Signal-The antennas can effectively receive AM/FM radio signal. You will never worry about missing your favorite radio channel while driving. And, it is able to eliminate static electricity in the car. Easy to Install- The modified car antenna can be fixed directly with bolts, no need to replace any other accessories. It can well replace the damaged original car or old antenna, and comes with 4 different sizes of rivets. You can choose the appropriate rivet. Applicable scene-Replaceable antenna pole, suitable for most vehicles with helical antenna, this product is designed to replace the extendable part of the antenna. Can be used for trucks or other small cars. Product material: metal material at both ends, pure carbon fiber material in the middle. Product use: replaces the The original car's long antenna, beautiful and anti-breakage. Installation method: directly unscrew the original long antenna, then screw the carbon fiber antenna. Size: 12cm Color: red blue black silver Quantity delivered: 4 pieces