8 piece set: The mathematical geometry set includes 1 school compass, 1 eraser, 1 set of pencil lead refills, 1 mechanical pencil, 1 protractor, 1 ruler, 1 square ruler, and 1 set square. An essential set of mathematics learning tools for students. High-quality materials: The geometric compass set ruler is made of high-quality plastic, durable, not easy to wear and break, to ensure accurate measurement data. Robust compass: The compass of the geometric compass set is easy to use. Rugged and durable, with a sharp protective cover, safe and reliable. Widely used: Mathematical geometry tool set is suitable for architects, engineers, artists, designers, students, teachers, etc.; essential items for the beginning of the school season. Math Compass: The drawing compass contains sharp parts; please use with caution and keep out of reach of children. Durable Compass Case: The plastic case helps protect and keep all tools in one place in backpack or desk, allowing for easy carrying and storing. A convenient choice for teachers and students. Perfect Geometry Set: The math set, geometry set, or stationery set for boys and girls is designed with all essential items for teachers and students at any level.