BUD Industries AC-431 Aluminum Chassis &ndash; Natural Finish 6" x 4" x 2" Open End Design Case. Heavy Gauge Industrial Electrical Chassis High Class Design: Aluminum casing holds 6" length x 4" width x 2" height. Electric frame comes with 0.219 DIA, and the holes are ideal for optional mounting brackets Mechanism: 0.04-gauge rectangular electric unit comes with sides folded in at bottom for additional support. There is an easily attachable optional bottom plate. The chassis helps in mounting electronic projects Rich Construction Electrical Case: welded at stress points industrial casing ensures maximum strength. The highly rigid aluminum chassis features heavy duty framework, and is easy to modify Color: natural finish electric supply. Aluminum shell bears clean polished finish, and are resistant to scratch marks Light Weight Industrial Frame: the portable light weight electric shell is easy to drill and cut based on the requirement. The aluminum chassis is very sturdy