You will get --- The set includes 15cm ruler, 60° triangle ruler and 45° triangle ruler and protractor, 4 rulers in set, comes with a storage box, which is convenient for you to store when out of service. Durable Material --- Our ruler is made of high-strength aluminum alloy, thicker than other plastic or stainless steel rulers, not easy to break and deform, strong and reliable, wear-resistant and durable. High quality --- Exquisite workmanship, accurate scale and clear printing, hollow design allows you to get data better, you can choose a suitable ruler for measurement according to different measuring items. Safe to use --- The edge and surface of the ruler are smooth, free from burrs and bumps, designed for your safety, you don't have to worry about scratching your stationery or other items or scratching your hands . Widely used --- This set of rulers is small in size, does not take up space and is easy to carry. Ideal for teachers, students, children, office workers, etc. It is an indispensable measuring and learning tool in schools, offices and homes.