MetroMax® 4 Starter Shelving Unit, 60"W x 21"D x 63"H, rust proof, 600 lb. capacity per shelf, 2000 lb. capacity per unit, (4) open grid all-polymer shelves with removable shelf mats, bag of (4) wedge connectors for each shelf, (4) polymer posts, Microban antimicrobial product protection, KD, NSF