Item Type: Protractor_x000D_ Material: Stainless steel_x000D_ Measuring Range: 0-180 _x000D_ Measurement Accuracy: 1 _x000D_ Size: 125 x 67 x 1mm / 4.9 x 2.6 x 0.03in_x000D_ Scope of Application: Drawing circles, measuring angles, marking 1There is an angle line hole inside to draw the line directly, which is more accurate. 2Protractor supports laser marking dial with clear handwriting, easy to use in the practical life. 3Made of stainless steel material, angle measuring tool is wear-resistant, not easy to rust. 4When it comes to the scope of application, this protractor can be used for drawing circles, measuring angles and marking. 5Entitled with practical adoptability, the ruler's high quality can keep its high performance for a long time.1 x Protractor