Lightweight and composite construction: The use of special acrylic and ABS materials, so that it is as clear as crystal, the horizontal direction at a glance. With molded hooks to allow the level to be hung on a line of builders.Can be used with a hanging spirit level, suitable for masonry, plumbing, gutters and tiling. Work Beautiful finish:Made with fine workmanship, practical and extremely beautiful.Blisters 360 accurate, easy to use. High visibility liquids provide clear readings, for fast and accurate reading. Light weight for portability. Point of Use: Placed at contour line of the measured body, the center bubble is horizontal. The perfect tool for beginners and professionals alike when the laser level just can't cut it. Highly visible coating makes it easy to check your line even on the sunniest days. of your patio or finishing a job to make sure it is level or lightly leveled to provide better drainage Applicable environment: Calibration of various frames, cross frames, art frames and murals, to determine level or parallel and other applications. Number of shipments: 5 pieces