Abstract: A lock-down device for use on an all-terrain vehicle, comprised of a rectangular base which mounts to a surface such as a garage floor or bed of a pick-up truck, four sockets mounted at each corner of the base, a flat rear panel with two bolts pivotally articulating on its bottom edge, a wheel cover, a flat rear panel which pivotally articulates with the wheel cover and which has two bolts on the bottom edge of the rear panel. The bolts on the rear panel and the front panel register with the four sockets on the base. The rear panel engages with the wheel cover by a latching mechanism.