Circle measuring ruler--the scales on this circle protractor are not easy to fade, look clear even after used for many times, protractor ruler; Students protractor--you can use this circle protractor to draw radial lines or measure angles, greatly saving your time, swing arm angle protractor; Protractor for geometry--this circle protractor is made of material, not easy to crack or break, support long term use, math geometry protractor; Office circle protractor--smooth in surface without any burr, safe and comfortable to use, will not hurt your skin, protractor tool; Drafting ruler--fine workmanship ensure its practicability and durability, this circle protractor can companion you for longer time, office measuring protractors
What's in the box
3 x Protractors
