Rubbermaid FG9G8000 three shelf mobile rack. This cart is designed to hold up to 200 lb per shelf and features a locating bar on each side to secure bins during transport. Each shelf can accommodate (8) 6909G60 bins, (4) 6909G57 bins, or (2) 6909G58 bins in a variety of configurations for increased versatility to maximize the space in your kitchen. It is not limited to only Rubbermaid ingredient bins. It can accommodate other bins, as well. Racks include 5 non-marking casters for ultimate maneuverability and safe transport.