Descriptions: Function: Replace the broken antenna of the original car. Application: Functional and intended for AM/FM radio signal, do not compatible with satellite radio and GPS system. Easy Installation: Easy screw-on installation with no modification, cutting, or drilling. Material with tough finish: Made of Aluminum . The antenna can sustain under extreme weather conditions from corrosion. Strong Signal: The antenna has a built-in super chip, which is made of pure copper wire, which can receive stronger signals. ? Detail: Fit for most:vehicles with screw-on radio antenna Color: Black Material??Aluminium Size: 4*0.4in (10*1cm) .