1. Advanced Learning Aid: This protractor and set are meticulously crafted by experienced math experts, making them ideal for teachers and students. Made with quality materials, it covers all math levels, from basic to advanced. Enhance your geometry experience and make learning enjoyable with this versatile math tool. 2. Durable for LongTerm Use: This protractor and compass set features a flexible ruler for precise measurements, is resistant to breakage, ensures durability, and comes with a convenient storage case. 3. MultiPurpose Functional Tool: Experience precision and control in various settings—whether at school, home, or the office. Neatly organized in a sturdy, shatterproof metal case. 4. Comfortable to Use: Our protractor and set boast an ergonomic design and quality metal construction, with clearly marked rulers and triangular scales for easy identification and use—the tool for teachers and students.