Matl aluminum alloy per qq-a-250 and sponge rubber per ams 3197; consists of part numbers 932215-5 10.31 in. By 17.81 in. By 0.05 in., -7 2.75 in. By 12.25 in. By 0.05 in., -9 7.75 in. By 25.25 in. By 0.05 in., -10 7.75 in. By 25.25 in. By 0.05 in., -11 2 in. By 10.5 in. By 0.12 in. And assorted hardware