Starter Unit includes 4 posts with leveling feet, 3 wire shelves and plastic snap on sleeves to secure shelves to posts. Includes 4 posts with leveling feet, 3 shelves and snap on sleeves. Nexel 3 Tier Wire Shelving Starter Unit, Poly-Green, 42W x 24D x 34H Designed with a powder coated green epoxy finish that handles temperature and moisture extremes well.