Compass-Set: Contains 1 school compass, 1 pencil leads, 1 graphic compass, 2 triangular rulers, 1 protractor, 1 ruler, 1 mechanical pencil, 1 pencil leads and 1 Eraser. Easy to Measure: These rulers are made of clear plastic for easy measurement. Each ruler has a nameplate for easy identification as well as CM and metric scales. Math compass: The school compass can draw circles up to 10 inches in diameter. The drawing compass with sharp parts should be used carefully and placed so that it does not come into contact with the baby. Robust compass cover: The plastic cover to protect and store all tools in one place in the backpack or on the desk, for easy carrying and storage. A convenient choice for both teachers and students. Perfect Geometry Kit: The math / geometry set designed by experienced math experts with all the important elements for teachers and students at all levels. Also an ideal gift or Christmas present for kids and students. This professional math kit will best suit your needs for drawing circles and measuring angles. Designed for everyone who needs to make perfect circles such as students, teachers, carpenters, metal workers, engineers, architects, mathematicians, artists, craftsmen and designers. Geometry drawing tool kit for students of different grades at school. Students can use this math set to learn geometry and painting, teachers can use this math equipment for class. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.