The Stanley 3 Tier Rolling Workshop is perfect for everyday storage. The mobile workshop is made up of 3 tiers. There is a large 18 inch removable tool box with integral compartmental organiser trays for small parts and accessories. The removable middle tote tray can store smaller tools and accessories. The large 18 inch bin is for larger tools and power tools. The unit has geometric metal latches, padlock loop for security and 7 inch wheels for portability.