Dimensions: 28-inches by 28-inches by 72-inches high (75-inches on wheels) Includes: 5 shelves (28" x 28"), 3-inch wheels (5 pcs, 3 with brakes), and adjustable leveling feet (5 pcs) Weight Capacity (even distribution): 600 lbs per shelf (on leveling feet); 500 lbs per system (on wheels) Commercial strength chrome plated steel; NSF Certified Easy assembly with no tools required