The DVAKS100CG is a versatile weather-proof fixture for ceiling-mounting with a natural aluminum finish. The DVAKS100CG is made of die-cast aluminum. Ideal for industrial and commercial applications. Threaded, precision die-cast aluminum fitter with a silicone gasket between wiring box and the fitter Precision die-cast aluminum box with four 1/2 in NPT plugs installed and one open 1/2 in threaded conduit opening on the top Porcelain medium base socket with nickel-plated screw shell Clear glass with threaded neck Threaded die-cast aluminum guard with a set screw for locking guard in place