Convenient to use The goniometer can be used with other measuring tools to extend the measurement range. The digital angle test base easily attaches to the surfaces of various products for quick angle checks. Durable and safe Built with electronic components and sturdy plastic material, the digital protractor is designed for long term use and safe operation. Accurate measurement The digital display goniometer provides an accuracy of 0.2 degrees and a resolution of 0.05 degrees. The LCD display with backlight offers easy viewing. Compact and portable design The small and compact design makes the digital angle gauge easy to store and takes up little space. It is lightweight and portable for on site use. Use scenarios Carpentry and woodworking: verify miter joints, set cabinet and furniture angles. Metalworking and fabrication: check part angles on jigs, align components before welding. Home improvement and installation: install tiles, level surfaces, align frames and brackets.