Open Center Protractor, Plastic, 6" Ruler Edge, Clear, Dozen

• Ideal for all young mathematicians.
• Sharply defined graduations for easier reading.
• Students will easily be able to identify angles from 0 to 180 degrees.
• The angles make it very easy to follow for younger learners.
• Ruler is scaled in metric and inch measurements.
• Sharply defined graduations help minimize visual errors.
• Great addition to all math classes.