Hammond 1590W Series Watertight Diecast Aluminium Enclosures – Natural – Hammond 1590WXX, This Hammond 1590WXX enclosure measures 145 x 121 x 39mm and is part of a range of natural finished, watertight diecast aluminium boxes suitable for a wide range of applications. Hammond 1590WXX Watertight Diecast Enclosure Natural (145 x 121 x 39mm)