1. Robust precision: This large protractor for teachers is designed for durable use and features a hard structure made of wearresistant ABS, which ensures that it is reusable, retains its shape and resists damage from frequent handling. 2. No burrs in the look: Thanks to its burr look and rounded edges, this large teacher protractor ensures safety when using. Users will not suffer any cuts or scratches, making it the choice for educational institutions. 3. Lightweight structure: With an effortless and easytouse design, this teacher tool is crafted for educators. Its lightweight structure ensures it won't cause scratches or injuries to users, making it ideal for classrooms. 4. Improved accuracy: This teacher protractor features a large, visible digital design, making it easy to measure and read— for precise angle and geometry calculations.