Open design facilitates air flow between and around stored or drying products; Green epoxy coating resists corrosion in moist environments and drying applications; Includes (4) 24" x 36" drying rack shelves with 1 1/4" slots; (4) 64" posts provide spaces for the shelves to be easily adjusted using split sleeves; All (4) 5" polyurethane stem casters include brakes and for mobility