Durable deformation-resistant construction made from wear-resistant ABS to maintain precise measurements over time. Safety-first design burr-free with rounded edges, preventing cuts and scratches; suitable for learners of all ages in classroom settings. Lightweight and easy to use low-profile, lightweight structure for effortless handling during demonstrations and daily classroom use. Large digital display for clear readings big, easy-to-read display that supports accurate angle measurements from a distance. Large protractor for teaching designed as a teacher tool with a prominent viewing area and robust build for reliable classroom demonstrations. Practical applications use in geometry lessons to measure and construct angles; in student projects and design tasks to verify measurements; in drafting or science labs for quick angle checks.