SHELVES: * Shelf Board: 1 total. Shipped as 1 piece; 36 x 24".
DIMENSIONS: * Posts: 2 1/16 x 2 1/16" * Beam Height: 2 3/4"MATERIAL: * 14 gauge steelCONSTRUCTION: * Upright Posts: One piece construction.WEIGHT CAPACITY: * Shelf capacity listed is the capacity for each shelf. * Overall: Not to exceed 13,000 lbs