2-IN-1 DESIGN WITH DETACHABLE TOOL BOX? – The tool cabinet can be separated into a 4-drawer tool box and a rolling tool cabinet, which can be used separately or together according to your needs. Besides, the top tool box can also be stored inside the bottom cabinet to save space. We also provide you with 7 storage boxes. LARGE CAPACITY FOR TOOL STORAGE? -The top tray, 5 drawers, large bottom cabinet, side tool box provide ample storage space for various tools such as screwdrivers, spanners, boxes, etc. The inner side of the bottom cabinet’s door is designed with grid and it comes with easy to 8 removable hang hooks to help you find tools quickly. And the adjustable shelf on the bottom cabinet allows you to customize the storage space. SECURE LOCKING SYSTEM & PROTECTIVE LINER? -Two locking bars help to lock all drawers, tool tray and the bottom cabinet, and the locking buckle adds extra security. Meanwhile the top tool tray and 5 drawers have protective liners to prevent scratches and damage to tools. UNIVERSAL & LOCKABLE WHEELS? – 4 universal wheels make it easy to move the rolling tool chest around. What’s more, 2 of the wheels are lockable to ensure that the tool box stays in place. STURDY CONSTRUCTION? – Constructed of heavy-duty steel material, the sliding tool organizer has strong load-bearing capacity and excellent durability for long lasting use. In addition, the protective liner protects tools from scratches.