Hammond 1590 Series Diecast Enclosures with Cast-In PCB Guides – Hammond 1590L, The Hammond Diecast Enclosure 1590L 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 1590L Diecast Enclosure Natural 101 x 50 x 31mm