180 Degree Math Plastic Protractor 10cm/4 Inch Diameter Semicircle Protractors Mathematical Tool for Angle Measurement 50 Pcs

Description Hegebeck 180 Degree Math Plastic ProtractorSpecifications:Material: plasticMeasuring Range: 180 degreeDiameter: 10cm/4 InchAccuracy: 1mmDescription:1.The plastic protractor is made of good quality plastic; durable and sturdy; the surface is smooth; durable and safe; it will not break easily when bent2.The measuring range is 180 degrees; the diameter is 10cm/4 inch; accuracy of 1mm; can be read from different directions; convenient for you to measure more accurately3.The protractor is 2 circle numbers; you can read the angle anticlockwise and clockwise; convenient for you to measure more accurately; meet a variety of measurement needs4.The protractor has a quasi- center design in the middle for easy measurement; the black numbers are clear and easy to identify; then you can read quickly with great accuracy5.The plastic protractor is very practical; it can be applied for homework; drawing; technical drawing; etc.; students; teachers; artists or engineers will need them