Maximize your storage space with the RW Base 4-Tier NSF Chrome Shelving Unit. Constructed from sturdy steel, each shelf supports up to 450 pounds, providing a reliable storage option. The chrome plating of this shelving kit guards against corrosion, making it suitable for dry areas like garages and storerooms. Featuring vertical ribs, this mobile shelving unit ensures it remains stable, preventing tipping. With a vented design, this heavy-duty shelving kit allows for air circulation, minimizing dust build-up. The posts and 32 split sleeves included enable easy height adjustment of the shelves. The casters in the set allow for easy mobility, letting you move items around effortlessly. Each shelf measures 18 inches in width by 72 inches in length by 1.5 inches in height, while the posts are 74 inches tall. The casters measure 5 inches in diameter. Each order includes 4 shelves, 4 posts, and 4 casters.