McBride SMC11EA 5B Black Surface Mount Back Box - Electrical Junction Box for Home & Commercial Wiring, Easy Installation for Walls & Ceilings

McBride back boxes are rust resistant and made of heavy gauged galvanized steel. This back box has a satin black baked powdered epoxy finish. Side and rear combination 1/2" and 3/4" knockouts spaced evenly around the can allow for precision alignment while mounting. The MC11EA-5B is a round back box with interior brackets for automatic baffles and can be used with the MC8AB baffles.