Safety This large protractor for teachers is designed to be gentle on hands, with a smooth finish, round edges, and no burrs. It is suitable for educational environments where safety is a priority. Lightweight construction Easy to handle in classroom settings. The lightweight design helps prevent scratching or injuring users, making it a practical tool for daily teaching activities. Enhanced visibility Features a large digital design with clear numbers, ensuring measurements are easy to read and understand at a glance. Versatile teaching aid Ideal for classroom use and supports a wide range of applications—from blackboard demonstrations to design and engineering projects. It helps improve geometry and math learning experiences. Use scenarios - Demonstrate angle measurement and geometry concepts during blackboard lessons. - Use in student design and engineering projects that require precise angle setup and measurement. - Employ in quick classroom assessments or practice tasks to reinforce measurement skills.