【11'' Taller Than Others】As it is an enhanced design, it's about 11'' taller than other 2-piece tool chests, enable it has more capacity to store different tools with a similar price. And the middle part is detachable, the top box and bottom box can be used individually as well..【Detachable Top Box】The detachable top box can be inserted on the bottom for transportation if needed, so you can load it into your car or van during work travel. It’s an ideal tool organizer for home workshops, garage, basement, repair store, warehouse, etc..【4 Universal Wheels】The wheels can swivel 360 degrees smoothly so that you can move this rolling tool chest without any effort. 2 of them are lockable and it won't move during use. A handle on the side will help you push and control it more easily..【Locking System for Security】The lock on top drawer section serves to keep tools secure and keep power tools locked away from young children. It comes with two keys in case you accidentally lose one of them. You can put the keys of the lock in a safe place..【Solid and Durable Construction】Constructed of cold rolled steel with powder coated finish, the rolling tool chest was built to last. The ball bearing slides make the drawers operate very smoothly and anti-slip liners in the drawers and on the top shelf can hold tools in place and allow for easy cleaning.