for Car Roof Antenna Enhanced Signal 1.4"Carbon Fiber Screw Metal 3.5cm Short Stubby Mast Car Radio Aerial Antenna Accessories Features: For Car Radio Receive Signal The mini antenna is functional and intended for AM/FM radio signal. Short and practical Replace the long antenna of the original car, beautiful appearance, anti-broken, unobstructed through the lower building, and prevent the original antenna from being pulled off when using the car poncho. Signal Stability The reception signal of the antenna is clear and stable, which enhances the reception sensitivity of the original car radio, and provides a better quality of radio reception. High Quality The antenna shell of high quality metal is waterproof and sunscreen. And the carbon fiber insert is a good material to receive stable signal. Simple and easy Simple fitting, just unscrew your existing aerial and replace with this product. Easy installation and no any modification. Specification Type: Car Antenna Material: Metal, Carbon Fiber Quantity:1pc Color: Black Voltage: 12v Current: 1A Item Size: 1.47*3.5cm/0.6*1.4\'\'(D*H) Antenna Inner Diameter: 0.56cm/0.22inch Two Screws Diameter: 0.47cm/0.18inch,0.56cm/0.22inch Two Gaskets Inner Diameter:1.1cm/0.43inch,0.79cm/0.3inch Packing list 1*Car Antenna 4*Screw 2*Gasket