Retex abs 31 series pocket boxes retex 33131201 pocket sized black abs enclosure measuring 55 x 40 x 18mm from the retex 31 series these small and robust cases with bevelled and rounded edges are suitable for a wide range of applications designed with recesses in the cover and base for the installation of keypads or switches retex 33131201 abs series 31 pocket box 55 x 40 x 18mm black