MetroMax® Q Mobile Shelving Unit, 48"W x 21"D x 67-5/16"H, (4) open grid shelves with eopxy coated steel frames & removable polymer shelf mats, (4) polymer posts, Microban antimicrobial product protection, (4) swivel 5" casters with polyurethane treads (2 braked), Microban antimicrobial product protection, KD, NSF