1. MATH MAKES MAKEUP This protractor and set has been carefully designed for all levels and developed by experienced math experts, covering math needs from basic to advanced. This versatile math tool is ideal for teachers and students and is made from quality materials so math is manageable. 2. Durable use: this set of protractor and compass features a flexible ruler for precise measurements, is not easy to break, ensures a long service life, and features convenient storage. 3. VERSATILE PROFESSIONAL TOOL Suitable for a variety of occasions: school, office, home; This handy tool ensures centralized protection and transportation and is equipped with a sturdy, shatterproof iron box. 4. USER FRIENDLY DESIGN With an ergonomic handle and accurately marked protractors, rulers and triangle rulers, our quality metal set provides a comfortable and practical experience that makes it the ideal choice for educators and students alike.