The 1590SBK is a rugged diecast aluminum alloy electronic instrument enclosure from Hammond's 1590 Series, finished in textured black with polyester powder coating for durability and appearance. It features lap joint construction that provides protection against dust and splashing water, along with improved EMI/RFI shielding characteristics. The enclosure measures 110.5 mm in length, 82 mm in width, and 44 mm in height, with a low side wall draft angle of 2 degrees for improved machinability. The black version includes black screws threaded into factory-tapped holes, and the standard version is designed to meet IP54 protection rating. This enclosure is ideal for general-purpose electronic instrument applications requiring robust protection and professional appearance in industrial and commercial environments.