BestOffice New White 5-Tier Corner Rack Display Shelf Kitchen Storage Wire Shelving C485 imple Assembly, No Tools Required Dimensions: 18"*18"*48" Maximum entire unit weight capacity is 600lbs when equally distributed on casters. Maximum weight capacity per shelf is 250lbs when weight is equally distributed without caster installed. Wire shelves adjustable in 1-inch increments; no tools required.