DIMENSIONS: * Posts: 1" diameter, Single piece construction. * Casters: 5 x 1 1/4" * Casters add 5 3/4" to the height of the unit.ADDITIONAL PARTS: * Casters: Not included with shelving. (H-1205WH- Set of 4) Individual casters: Use H-1205WH-1 * Posts: Leveling feet included. (H-1205-FEET) * Shelves: Black supports included. (H-1205-SPRT)TEMPERATURE RANGE: -20 to 120 FMATERIAL: * Powder coated. * Resists rust and corrosion. * Casters are NSF Certified.CAPACITY: * Shelf capacity listed is the capacity for each shelf