5 Sets Protractor and Compass Sets Student Geometry Math Set Drawing Compass and 6 Inch Clear Protractors 180 Degree Protractor and Math Compass for Geometry Graphing Tools School Supplies
- ...ere are both inches scale (up to 6 inch) and centimeter scale (up to 10 cm) marks that make the measuring easier.
- Easy to carry: you will get 5 pieces transparent boxes, each box has 1pcs math compass and a box of refill.
- Convenient to organize and not easy to lose, suitable size can be easily put into various bags, practical and easy to carry.
- Note: if you receive the compass protractor set and found the screw of compass is loose, do not worry, it is not a quality problem.
- The loose screw makes it easier for you to turn the pencil refill down.
- You can tighten the screw after using pencil refill replace divider part.