Hammond 1590w series watertight diecast aluminium enclosures natural hammond 1590wllb this hammond 1590wllb enclosure measures 50 x 50 x 25mm and is part of a range of natural finished watertight diecast aluminium boxes suitable for a wide range of applications hammond 1590wllb watertight diecast enclosure natural 50 x 50 x 25mm