2assembly consists of nine components, one plate, aluminum alloyqq-a-250/11 temper t6, p/n 1670eg076a5, six angles p/n 1670eg071-4, tworeinforcements, aluminum alloy qq-a-250/11 temper t6, p/n 1670eg75a7, dim., 24.000 in. Nom o/a lg, 2.250 in. Nom o/a w