Hidden Radio Antenna for AM/FM Car Stereo. Delivers great AM/FM stereo reception. Easily mounts in a variety of locations. Conceals easily avoiding unwanted attention for high end car stereo. Allows use of aftermarket radios without replacing factory mast style antenna. Helps your vehicle maintain a classic/nostalgic look while delivering optimum performance for am/fm stereo radio reception. Universal for use on installation of any am/fm stereo radio where optimum signal reception is desired, especially where there is a need for non-intrusive looks or installation of larger aftermarket antennas.