Retex elbox instrument cases greydark grey and frontrear panels retex 33030203 the retex 33030203 elbox instrument case dark grey 1805 x 2325 x 77mm has been designed with an anodised aluminium front and rear panel manufactured to professional standards this quality enclosure is particularly useful for mounting eurocard sized pcbs according to iec 60297 while the pcb supports included are able to support standard eurocard sized boards the graphite grey abs top and base screw together