10" x 8" HMI Cover Kit. Non-corrosive, non-conductive, light weight with lower installation cost and longer life cycle cost compared to steel. Rigid design with a gasket system encased in a continuous channel on the cover and frame. Open back frame design with an opening size of 8.47" x 6.69" and is a UL recognized component for use with NEMA 4X enclosures. *Will fit Allied Moulded enclosure sizes 12”x10” and larger.