Accurate 180° Angle Measurement – Designed with clear degree markings for precise angle measuring and drawing, making it ideal for maths, geometry, technical drawing, and classroom activities. Transparent Design for Easy Visibility – Made from clear plastic, allowing users to see lines and measurements underneath for improved accuracy and confidence when working on diagrams and coursework. Easy-to-Read Reversed Scale – Features a reversed scale for convenient measuring from different directions, helping students and professionals work quickly and efficiently. Compact 10cm Size – Lightweight and portable design fits neatly into pencil cases, desk drawers, and school bags, making it perfect for everyday use at school, home, or the office. Bulk Pack of 50 Protractors – Excellent value pack for schools, classrooms, colleges, exam rooms, and educational organisations, ensuring every student has access to a reliable measuring tool.