New Chrome Commercial 4 Layer Shelf Adjustable Steel Wire Metal Shelving Rack 3" commercial castor wheels with two that lock for safety Height adjustable non-rolling/stationary feet included, allows shelving to hold up to 600 lbs. per unit Dimensions: 72H x 48"W x 18"D Maximum Weight Capacity for entire Unit when using the casters (wheels) instead of leveling feet is 500 lbs. Maximum Weight Capacity per shelf: 600 lbs. equally distributed