This extra large cast brass bulkhead light with copper cover weighs just over 10 1/2 pounds.  The cover measures 9 inches in diameter. Measuring from the top of the junction box to the bottom of the cage, this extra large cast brass bulkhead light is about 14 inches long. The junction box is 4 1/2 inches in width and has two mounting holes. When mounted to the wall, this light will extend out from the mounting surface by 10 inches.