Hammond 1455 Series Natural Extruded Aluminium Enclosures – Aluminium End Plates – Hammond 1455N1201, This natural extruded aluminium instrument enclosure from the Hammond 1455 Series, 123mm length, 103mm width, 53mm height (including end panels), has been designed to house PC boards. Hammond 1455N1201 Extruded Aluminium Enclosure 123 x 103 x 53mm Natural