Unique Lighting Systems Polaris Brass Up Light, No Lamp (...Precision machined from solid brass casting body design provides enclosed, water resistant wire way to protect wires Machined brass, exclusive ball, and joint, the 360 degrees orbital mount allows for perfect directional fine tuning Knuckle Shroud, is precision machined and comes with a factory sealed shock resistant glass lens to prevent water intrusion Comes with a complete set of optical designer lenses including spread lens, frosted lens, and hex