The protractor ruler set is good for a wide range of applications, from classroom use to professional drafting. Its transparent design allows for clear visibility of measurements, while the multifunctional features enable users to measure angles, draw geometric shapes, and create precise diagrams. This protractor tool is essential for anyone needing reliable and accurate measurement solutions. Features -Color:Transparent -Material:Plastic -Size:20.00X10.30X0.20cm/7.86X4.05X0.08in -Accurate angle measurement: ensures precise angle readings, supporting students in their drawing assignments and boosting their academic performance -Versatile usage: designed to fulfill multiple drafting requirements, making it an essential protractor ruler for various geometric tasks -Comprehensive 180° range: the plastic protractor ruler covers the entire 180 degree range, ensuring no angle is left -Portable and convenient: this protractor ruler is easy to carry and use in different settings, whether in school, at home, or outdoors -Clear and precise markings: equipped with clear scales that reduce the likelihood of errors, enhancing the precision of your work Package list: 15 x protractors