This aluminum alloy ruler set is nice for students, schools, homes, and offices. The set includes triangular rulers, protractor, and straight ruler, making it ideal for , drafting, and architectural projects. The aluminum alloy construction ensures use, while the precise measurements help achieve accurate results in every task. Features - Color: Blue -Material:Aluminum alloy - Size: 9.50X5.70X0.10cm/3.73X2.24X0.04in - Size: 12.00X6.00X0.10cm/4.72X2.36X0.04in - Size: 12.00X7.00X0.10cm/4.72X2.75X0.04in - Size: 15.70X2.20X0.10cm/6.17X0.86X0.04in -Multifunctional set: includes triangle ruler, protractor and straight ruler, catering to various geometric measurement needs -Strong material: made from aluminum alloy, this ruler set is sturdy, resistant to deformation, ensuring long term use -Wide application: suitable for students, schools, homes, and offices, this ruler set meets diverse geometric drawing requirements -Precise measurement: features clear scales with high accuracy, aiding users in performing geometric measurements and drawings effortlessly -Portable design: the compact design of the ruler set makes it easy to carry and store, allowing for use anytime, anywhere Package list: 4 x triangle rulers 2 x protractor 2 x straight ruler