The Gratnells MakerSpace trolley holds standard Gratnells trays on StopSafe runners, allowing easy and safe access to components. The tool hangers can be moved and changed to suit many objects. Comes complete with three deep (F2) trays, 12 shallow (F1) trays, 12 green mini bins, roll holder, 5 single hooks and 5 double hooks. You can customize your MakerSpace trolley with different tray combinations and additional hooks and bins.