The Elma Guardbox 33 Easy is manufactured from only 2 aluminum sections. A U-shaped section forms the bottom with integrated sides which provides superior strength. The extruded cover is held in place by the screws used for front/rear panel mounting. The main features of this vibration-proof case are its rugged construction, ease of assembly and serviceability as well as its modern design. This compact case is ideally used for test and measurement instruments, drive modules as well as for controls where rugged construction, design, color and ease of serviceability are also important features.The Guardbox 33 Easy can easily accept single and double Eurocards as well as non-standard board sizes or other components.