4-Layer compact tool set for versatile use - This tool box features four layers, providing a compact yet comprehensive tool organization designed for both home projects and professional mechanic work. The layered design helps you access the right tools quickly during DIY tasks or on the job. Rolling toolbox for easy mobility - Built with two wheels and a convenient carrying handle, this tool box is easy to move between locations. It is a practical choice for workers who need to transport a full set to different sites or rooms without effort. Lockable toolbox for safety - The box includes a lock to keep tools secure when not in use. This feature helps prevent loss and protects against unauthorized access. 899-piece metric tool set for home and mechanic use - The set includes a wide range of tools to handle most small repairs at home or in a mechanic shop. It comes with polishing tools, tool ties, gloves, and tool belts. Please note that all tools are metric. Practical use scenarios - Home maintenance and DIY projects such as furniture assembly, appliance repair, bicycle maintenance, and minor upgrades. - Garage or shop tasks including basic automotive work, lubrication, and minor repairs, plus surface polishing. - On-site service or mobile repair work where transporting a complete set to different locations is beneficial.