Applications:Daily general measurement, geometry class/homework, drawing, paintingNotes before buying:Please don't poke or scratch this protractor with sharp objects intentionally.Please keep protractor away from fire or high temperature.Advantages:1.It can be used as a 6-inch straight ruler when you turn it upside down. So no worries if you don't have a ruler in hand.2.Two identical protractors in one package. You can keep them in different places, and if one is lost or broken by chance one day, the other one will play an important role.Basic specification:Diameter: 154mm;Height: 85mm;Measurement range: 0-180 degrees;Measurement precision: 1 degree;
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2 周前
1 周前
