Maximize your storage space with the RW Base 4-Tier NSF Green Epoxy Shelving Unit. Built from strong steel, this shelving unit supports up to 600 pounds on each shelf, ensuring ample storage. The green epoxy coating is corrosion-resistant, ideal for humid environments like walk-in fridges or freezers. With vertical ribs to add stability, these wire shelves avoid tipping. The vented design of these NSF-certified storage shelves facilitates air circulation and reduces dust buildup, maintaining freshness. Featuring adjustable posts with 32 split sleeves, these shelves let you customize the shelf height. The casters in this set provide easy mobility for your shelves. Each shelf measures 24 inches by 36 inches by 1.5 inches, while the posts stand at 74 inches tall. The casters are 5 inches in diameter. Each order includes 4 shelves, 4 posts, and 4 casters.