Pacific Arc Protractor
Professional Protractors made from pure clear acrylic to ensure long life and value. Graduations are etched onto the surface to prevent wearing off.A protractor is a measuring instrument for measuring angles. Most protractors measure angles in degrees (?). Most protractors are divided into 180 equal parts. They are used for a variety of mechanical and engineering-related applications, but perhaps the most common use is in geometry lessons in schools.