Quantum 4-Shelf Wire Shelving Storage Unit Chrome Finish 18"W X 30"L X 72"H 300 lb. load capacity per shelf. Bright chrome finish. Snap together design assembles in minutes. Includes posts, shelves, and all needed hardware - all in one box. No tools required. Ideal storage solution for any commercial, office, warehouse or home application. Wire design allows for air circulation and minimal dust buildup. Dimensions: 18"Wx 30"Lx 72"H