Keyroad Flexible Geometry Set 4 Pieces 30cm - Model KR972501, a complete geometry set consisting of 4 pieces to meet all measurement and technical drawing needs, made of high-quality flexible break-resistant plastic for long-term use, includes a 30cm ruler, two triangles (45° and 60°), and a protractor to ensure high accuracy in geometric measurements, transparent design with attractive colors makes it easy to see numbers and lines during use, clear and accurate markings help draw lines and angles professionally, lightweight and portable, ideal for everyday use at school or in the office, a great addition to school and office supplies thanks to its practical and attractive design, perfect for students, engineers, and designers who need accurate and functional measuring tools.