Hammond 1590b series painted aluminium stomp box enclosures 112 x 60 x 31mm hammond 1590bpr the hammond aluminium stomp box enclosure purple 1590bpr 112 x 60 x 31mm is a diecast aluminium electronic instrument enclosure painted with tough polyester powder paint for long lasting smooth finish easy to machine and the smooth finish also makes the application of labels stickers or silk screening easy the lap joint lid also provides good emirfi screening hammond 1590bpr aluminium stomp