The high construction quality will allow the use of a wide variety of antennas, in fact so far we've not found an antenna that will not work with this mounts. Included with the CASMOUNT are a pair of extended, stainless steel mounting bolts and standoff washers for corrosion free extended usage. The CAS1 is designed to work on either side of the FL Cascadia. This allows for co-phase installations or just additional mounting options for a variety of antennas. Supports Up to 5' Antennas Grounded Mirror Mount Stainless Steel Mounting Bolts Install On Driver or Passenger Side Mirror Arms Grounded Mirror Mount Compatible with: CB Antennas, Ham Antennas, Scanner Antennas, AM/FM Antennas.