Complete geometry drawing set in a sturdy metal case. Includes: 1 compass, 1 ruler, 1 protractor, 2 rulers (45° and 30°/60°), 1 pencil lead, 1 eraser. Ideal for students, teens, math lessons, schools, offices and more. Built with high-quality metal and environmentally friendly plastic. The scale is clear and accurate; lightweight and durable; rust-proof and not easy to break. Ergonomically designed compass head for comfortable grip, accurate positioning, and easy use. Features a precise centimeter scale for measurement and is suitable for students of all levels. The ruler measures 0-15 cm / 0-5.9 inches. Includes 2 standard triangles. The protractor measures 0 to 180 degrees in both directions, enabling accurate drawing in math and graphic design. Use scenarios: perfect for geometry homework and math practice; classroom demonstrations and lessons; drafting simple designs and technical sketches for school, office, or hobby projects.