From the product description, check product page for current description, price and availability:

• Five-tier mobile wire shelving unit has chrome-plated finish, casters and five shelves
• Shelves are adjustable in 1 inch increments. Includes four 2 inch nylon casters for easy mobility
• Maximum weight capacity per shelf is 200 lbs., evenly distributed
• Durable welded wire construction with open design permits sprinkler, air and light penetration and reduces dust build-up
• Easy to assemble in just minutes without tools
• Dimensions: 30 W x 14 D x 60 H in Inches; Color: Silver