These angle measurement protractors can be applied for using, school students and teachers. It is very convenient to use, and it is good for completing your work, and a great present idea for kids. Besides, it’s also an essential tool for any toolbox. The are clear and easy to identify, then you can read quickly with great accuracy. Feature - Color: Silver. - Material: Stainless Steel. - Size: Approx. 15 x 9cm ( W). - Made of stainless steel, very light and easy to carry. - Smooth surface, convenient to use, easy to read. - The plastic protractors are shape protractor, it’s universal, you can applied to settle the math problems frequently. - Suitable for painting, measure, homework, and technical drawing. - A perfect present to your friends and classmates. Package list: 1 x 100mm Multifuctional Stainless Steel 180 Degree Protractor Round Head Angle Ruler Swing Arm Protractor Measuring Tools (Silver)