2-in-1 detachable and combinable design for space-saving and portable organization. Lockable drawers with keys for enhanced security. Non-slip liners in each drawer for tool protection and stability. Solid steel frame made of thick high tensile powder-coated steel for durability. Smooth ball-bearing slides and omni-directional casters for easy access and movement (with 1 lockable). The HORUSDY 15-Drawer Tool Box Trolley Cabinet is a versatile storage solution made of powder-coated steel. Its 2-in-1 design allows you to detach and combine the upper and lower cabinets as needed, saving space and providing easy portability. Each drawer is equipped with a lock and key for added security, ensuring your valuable tools are safely stored. The drawers feature non-slip liners to protect your tools and keep them in place. With its solid steel frame and smooth ball-bearing slides, this tool trolley offers durability and easy access to your tools. The omni-directional casters, including a brake, enable effortless movement and stability.