These 180 degree clear plastic protractors have both a 6 inch ruler edge and a 10 cm ruler on the open center. A Pencil hole is located at the 3 inch ruler mark. The black markings clearly define the 1 degree increments making it easy to read. Plotting 0 to 180 degrees can be done left to right and right to left. Great for art or geometry class and home crafts. Classroom pack of 30.

• Quantity of 30 clear plastic protractors for the class
• 1 degree increments plotting 0 to 180 degrees left to right and right to left
• 1 pivot point / pencil hole located at the 3 inch mark on ruler
• Measures 0-6 inch and 0-10 centimeters
• Used for geometry, art, and home crafts