Versatile Outdoor Placement: Ideal for walkways, porch, yards, and patios; Will not support a lamp post, only for mounting light fixtures Strong and Durable: Constructed of high quality, weather-resistant cast aluminum and does not rust Standard Mount Base: 2.25"H x 3.5"L x 3.5"W with standard 3-inch diameter fitter Easy Install: Mounts to piers, columns, posts, decks and more within minutes; mounting hardware included for convenience Base Only: Light fixture sold separately