This miters protractor is versatile, having the function of a straight Edges and Angles measuring The small size and light weight of this woodworking Angles ruler makes it very to carry out This Angles protractor and marking woodworking ruler allows you to draw angles from 0 to 180 degree, mini1 degree Accuracy of ±0.5° Note: When drawing, the " " in the ruler body helps you indicate the Angles It is perfect for woodworking, like mortises and tenons joint, mechanical processing, architectural drafting, projects, and Constructions or drawing Used to angles, draw line, draw angles, and more It features double sided engraving, with clear marking in both centimeters and inch for easy reading ALSO, it allows you to quickly a vertical line based on the desired distance, Manufacturer: Tsophreniq