Hammond 1590 Series Diecast Aluminium Enclosures – Natural – Hammond 1590LB, The Hammond Diecast Enclosure 1590LB measures 50.5 x 50.5 x 31mm and is from a range of natural finished aluminium boxes suitable for a wide range of applications. Hammond 1590LB Diecast Enclosure Natural (50.5 x 50.5 x 31mm)