Measuring tools: horizontal bubble level for DIY enthusiasts, carpenters, and construction workers; functions as a horizontal bubble ruler to provide quick, accurate level readings along a horizontal plane. Wall level measuring instrument: hanging chain design for easy hanging and use; portable and curbside friendly; small level rulers that can be carried around for onsite tasks. Leveling tool: magnetic adsorption for hands operation on metal surfaces; convenient and practical miniature design; lightweight and portable bubble level tool. Bubble leveler: compact size makes it easy to store in a toolbox or pocket; small bubble level for everyday carry and quick checks. Use scenarios: Installing or hanging items such as shelves, picture frames, or curtain rods where precise horizontal alignment is required. Cabinet installation and woodworking projects, including aligning doors, drawers, and trim to ensure a true level across surfaces. On metalwork or steelframe tasks where magnetic adsorption allows attachment to metal studs, machinery, or tool storage surfaces for hands level checking.