Features: 18-piece geometry set includes plastic compasses, protractor, pencil, eraser, and pencil lead refills. Durable metal compasses resist bending or flexing during use. Ergonomically designed compass head for comfortable handling. Universal compass holder fits standard-sized pencils or pens. Rulers, triangles, and protractor feature clear, easy-to-read graduations. Comes with a durable storage box for convenient carrying and organization. Ideal for students, teachers, mathematicians, architects, engineers, artists, and designers. Suitable for use in school, office, home, or on-site work. Specifications: Material: Plastic Color: Green, Blue, Clear Note: Please allow 1–2 cm measurement variance due to manual measurement. Screen color may vary slightly depending on monitor settings. Package Includes: 18-Piece Math Geometry Set