Engineered for accuracy, this ruler set is a must-have for anyone involved in geometry, engineering, or art. The tools are lightweight yet sturdy, with smooth edges for safe handling. for creating clean lines, angles, and shapes, it supports both beginners and advanced users in achieving professional results. Features -Color:Assorted Color -Material:Aluminum alloy -Size:20.00X3.00X0.20cm/7.86X1.18X0.08in(straight ruler) -Size:12.00X7.00X0.20cm/4.72X2.75X0.08in(triangle ruler) -Size:9.70X6.00X0.20cm/3.81X2.36X0.08in(protractor) -Size:12.20X6.30X0.20cm/4.79X2.48X0.08in(right angle ruler) -Professional precision: for technical drawing and geometry, this ruler set ensures accurate measurements for both academic and professional use - combination: includes straight rulers, triangular rulers, and protractors, providing all the tools needed for detailed geometric work - construction: made from materials, these tools are built to last, offering consistent performance over time -Userfriendly design: clear and easytoread markings improve usability, helping users complete tasks efficiently and accurately -Convenient storage: lightweight and portable, this set is ideal for carrying between school, office, or home, ensuring tools are always within reach Package list: 40 x Geometry Ruler