This is our tool chest with roller cabinet . Its tool manager and storage system helps you keep your tools safe and organized, it also offers the convenience ,which ideal for garages, workrooms or anywhere tool organization is needed. The unit is stackable and allows you to separate or use the toolbox and locker. How to assemble this toolbox: The top section were located in the cabinet on the bottom, remove some screws and the side panel and then it will slide out. You only need a screwdriver and assemble according to the instructions, no other tools are required.Top chest and bottom cabinet are detachable to meet your needs for separate use. Product specifications: ?Color: Black ?Material: Steel ?Whole Tool Box Dimensions:24.4inch(L) x 13inch(W) x 42.9inch(H) ?Top Tool Chest Dimension:23.6inch(L) x 10inch(W) x 15.2inch(H) ?Bottom Tool Chest Dimension:24.4inch(L) x 13inch(W) x 29.1(H) ?Product Weight Capacity: 62lbs Features: 1.Large storage space 2.Excellent material 3.Durable and Sturdy 4.Easy to control the rolling tool cabinet 5.Ergonomically designed armrests Customer service: If you are not satisfied after receiving the product, you can contact us at any time, we will provide you with satisfactory answers within 24 hours. Tips:In order to reduce the shipping box size,we will put the top tool box into the bottom storage.