3 3/4" tall 1-1/4" base black magnetic antenna This item simply place on any metal surface of vehicle such as the roof or trunk to give your vehicle that police undercover look. This Magnetic Antenna Will Not Transmit Or Receive. Fits For Ford Crown Victoria, For Taurus, For Explorer, For Charger, or For Chevrolet Impala, For Chevrolet Tahoe. Made of high quality material, durable and long time to use 3 3/4" tall 1-1/4" base black magnetic antenna Compatible For Ford Crown Victoria, For Taurus, For Explorer, For Charger, or Compatible For Chevrolet Impala, Compatible For Chevrolet Tahoe.