5pcs Circle Protractor Plastic Measuring Tool for Geometry Accurate Drawing

Plastic protractor ruler:this 360 degree protractor is a helpful tool for designers, engineers, math teachers and school students,portable measuring ruler
Protractor for geometry:the scales on this circle protractor are not easy to fade, look clear even after used for many times,drafting tool
Geometry protractor:it is manufactured with safe plastic material, to its durability and practicability,geometry circle protractor
Creative circle protractor:you can use this circle protractor to draw radial lines or measure angles, greatly saving your ,math geometry protractor
Office measuring protractors:you can give it as a present for your to learn math, an easy and convenient save their ,round protractor

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5 × Protractors