Multi-tool is a portable tool that contains many smaller, individual tools in it. Generally Multi-tools are small and can be carried in the pocket. The smaller tools like nail file, tweezers, magnifying glasses, etc can be made in to single tool. Other common tool includes pliers, wire cutter, knife etc in a single tool is used widely.
Multi-tools are good tools to be used because they are portable as well as small. There is no need to carry separate tool or use tool box to carry everywhere.
