8-piece set: The mathematical geometry set includes 1 compass, 1 eraser, 1 pencil eraser refill set, 1 mechanical pencil, 1 protractor, 1 ruler, 1 angle ruler, and 1 angle marker. An essential set of mathematical learning tools for students. High-quality materials: The geometry set's ruler is made of durable plastic, sturdy and long-lasting, ensuring precise measurement data. Robust compass: The compass in the geometry set is easy to use. Durable and long-lasting with a sharp protective casing for safe and reliable operation. Versatile use: This mathematical geometry tool set is suitable for architects, engineers, artists, designers, students, teachers, etc. Essential items for school supplies. Math compass: The compass with sharp edges requires careful handling when using it and should be kept away from children. Durable compass case: Plastic case to protect and organize all tools in a backpack or desk, easy to carry and store. A convenient choice for teachers and students. Perfect geometry set: Math tool set/geometric set/stationery set designed by experienced math experts with all essential items for teachers and students at all levels.