The K550KM is an adjustable antenna mount designed to fit on rounded and ovular luggage racks or mirrors like what's found on mini-vans or SUV's. There are two pivot points that allow you to adjust the antenna to be vertical and also has a side pivot so you can fold the antenna down when not in use. Comes with a 13' coax cable with a PL-259 connector and a UHF antenna base. Note recommended for antennas over 45 inches.