It can mount to a trunk lid, pickup tailgate, or onto a rear hatch, as seen here. Four setscrews securely hold the antenna mount to the hatch. There’s a protection plate included which can be placed between the setscrew ends and the vehicle’s sheet metal to avoid putting divots in thin sheet metal. Said protection plate was called into play here. By the way, those big scratches in the paint were there long before this antenna was installed.