High-impact resistant molded housing with brilliant durable copper-nickel chrome-plated finish eliminates rust and corrosion and offers a custom look. Socket floats bulb in a soft, resilient pouch to minimize premature bulb failure. Pass-through mountingholes for installing without disassembly. Flat back eliminates need for socket hole. Lexide mounting gasket, replaceable lenses. 4-7/8 in W x 2 in H x 1-3/8 in D overall, mounts on 3-7/8 in centers.