5/8 plywood used for concrete forms. for the 18 inch wide(high) used forms there is 10 pieces in 8 foot lengths and 1, 6 foot and 5 pieces at 65 inches and 3 at 5 foot and 3 at 54 inches and 3 at 4 foot and 1 at 41 inches and 2 at 25 inches and 2 at 20 inches--- $ 100 takes all form wood. There is also 8 foot long and 12 inches wide pieces that were not used for forms and would work great for shelves. $8 each. all in good shape.