For outdoor or indoor lighting use. May be used with Bell cluster covers and boxes. Rugged metallic construction. State-of-the-art powder coat finish provides maximum weatherability and scratch resistance. Locking swivel knuckle assures positive lamp positioning and provides pin-point directional aiming. Extra long wire leads for easy hook-up. Each lampholder supplied with a porcelain socket, inside gasket, 1/2 in. locknut and multi-lingual instructions.