Quantum Storage Systems drawer bin cabinets are used for secure storage & easy accessibility of items. They feature steel constructed cabinets with powder coated finish to reduce oxidation reactions on exposed surfaces and polystyrene bins to provide excellent dimensional stability & gamma radiation resistance. These heavy-duty units are equipped with 13 shelves having depths of 18 or 24 inches. They are available in blue, gray, red & yellow colours. Raptor Supplies also offers Quantum Storage Systems bin shelving units having 12 inch depth.