Hammond 1590W Series Watertight Diecast Aluminium Enclosures – Natural – Hammond 1590WBB, This Hammond 1590WBB enclosure measures 118.5 x 93.5 x 34mm and is part of a range of natural finished, watertight diecast aluminium boxes suitable for a wide range of applications. Hammond 1590WBB Watertight Diecast Enclosure Natural (118.5 x 93.5 x 34mm)