10 PCS 4 Inches Plastic Protractors 180 Degree Protractor for Students Teachers Office School Drafting and Measuring Math Tool for Angle Measurement with Semicircle

• This protractor is made of good quality plastic; 10 cm/ 180 degree, half round shape; 10 Pack in total.
• The transparent color makes you measure easier, and you can see the numbers and letters on page through the protractor.
• The angle protractor with smooth surface can move easily on paper; Common size protractor can be applied in school and home.
• The math protractor has gradients for single degrees, with a center point and identified lines for every 10 degrees.
• The protractor can be as gifts for your kids in school; You can take it in your pocket or pencil case.

The protractor is a necessary study tool when kids are doing the homework, it's compatible to compass, ruler, etc. This ruler is plastic with the lines and numbers insetting into the ruler to make it easier to read and use. The lines are straight to give an accurate geometric patterns. This protractor is transparent and you can see the numbers and letters on page clearly.