Chrome 3-Tier Wire Rolling Kitchen Cart Utility Food Service Microwave Stand C36 Simple Assembly, No Tools Required Dimensions: 30" x 18" x 36". Durable chromed steel construction ;Maximum entire unit weight capacity is 160lbs when equally distributed on casters. Maximum weight capacity for top wood board is 320lbs, for each basket is 150lbs when weight is equally distributed without caster installed. Wire shelves adjustable in 1-inch increments; no tools required. 3" commercial castor wheels with two that lock for safety.