Accurate measurement: The miter saw protractor provides two scales: a single cut and a miter cut, an outside scale for measuring a single cut and an inside scale for measuring a miter cut, a conversion chart that converts spring angle and miter corner values. and bevel angles. Exquisite craftsmanship: O-ring design rotates the carpenter bevel protractor finder 360 degrees, ensures the miter saw protractors fit the corner perfectly when cutting, measuring, precise reading in interior or exterior corners. The precision laser engraving scale ensures that the dial is clear and easy to read. Excellent Material: The miter saw protractor tool is made of aluminum alloy, which features a strong wear resistance and corrosion resistance, prolong its service life, 7 inch size and lightweight material make it easy to carry. Wide applications: the miter saw protractor fence can perform applications, such as measuring external angles, measuring internal angles and measuring height angles, it is suitable for protractor saw for woodworking, metalworking, single miter , miter, crown, pipe and other woodworking applications.