All OSP cases are constructed of 3/8" plywood. Ball corners, aluminum on all edges, and front and back rails on all models. This unit features 7 drawers for storage and a table attachment on the front cover. Once set up, the tables stand 24-3/8" to the underneath and 28" to the table top. Drawers are padded with 1/8" hard black foam and front lid is padded to keep drawers in place during transport.