* Compatible with all Garmin nuvi having 17mm ball socket pattern * Compatible with all Garmin StreetPilot models c310/c510/c530/c550 and c580 * Mount Garmin GPS unit to car"s drink cup holder * Pedestal feature a flexible goosneck for optional adjustment when mounting from the cup holder location * Pedestal base is adjustable to fit most drink cup holders * Not compatible with "pop-out" type drink cup holders