10cm 180°/360° Protector In Maths

Each set include 2 pieces 180°protractors, by snap lock the 2 protractors together, you can get a 360°protractor. Each protractor is with an inner scale, outer scale and with the degree marks from 0° to 180° on it.
They can be widely used for students, teachers, designers or artists…etc. It’s suitable for math works, angle measurement and architectural drawing…ect.
You can purchase our standard products, or change packing, color, or printing on the protractors, to make your very own OEM/ ODM products. Also known as math protractor,protector in geometry, or protractor math tool.