Hammond 515 Series Sloped Steel/Aluminium Ventilated Console Enclosures – Hammond 515-0920, A sloped steel / aluminium enclosure from the Hammond 515 series. The enclosure has a steel base with side ventilation slots. The top / rear panel is made from aluminium. Hammond 515-0920 Sloped Enclosure 157x154x58/34mm Steel 2-Tone Grey