Here's a large, pre 1977 PERKO functional, ready to install, complete Spotlight. Originally called the Perkins Marine Lamp & Hardware Co., PERKO finally changed their name to just PERKO in 1977. This 13" diameter x 18" deep light stands 24" tall to the base, the a total of 32" to the hand turn (which is the past inside the cabin from the exterior cabin top). Some of the chrome has been redone. 5½ miles range. All in fabulous condition. Shipping available, wrote available with zip code. On site pick up available as well. Please contact us with any questions.