WITH 29 SMALL AND 3 MIDDLE REMOVABLE PLASTIC TRAYS, IDEAL FOR STORING SMALL PARTS. SMALL PLASTIC TRAYS DIMENSIONS: 54 X 52 X 43H MM, MIDDLE PLASTIC TRAYS DIMENSIONS: 54 X 105 X 43H MM. THE BOX HAS A CENTRAL SAFETY LOCK TO PREVENT THE OVERTHROW OF THE HARDWARE.