Hammond 1455 Series Natural Extruded Aluminium Enclosures – Aluminium End Plates – Hammond 1455R2201, This natural extruded aluminium instrument enclosure from the Hammond 1455 Series, 223mm length, 160mm width, 30.5mm height (including end panels), has been designed to house PC boards. Hammond 1455R2201 Extruded Aluminium Enclosure 223 x 160 x 30.5mm Natural