Retex 50 series aluminium enclosures retex 31150203 handheld black aluminium enclosure from the retex 50 series measuring 102 x 37 x 160mm suitable for a range of applications both indoors and out the lid is made from high quality abs and is recessed to allow a membrane display or keypad to be fitted a number of battery compartments designed to fit within this enclosure are also available retex 31150203 aluminium enclosure black 102 x 37 x 160mm 50 series