- Easy to use for all levels of students, architects, engineers, designers, artists, and teachers to draft, draw, or paint school or office projects. - Durable construction: compasses for geometry are metal, while the geometric tools are high-quality plastic, designed to be strong and long lasting. - 7 Piece Geometry Kit Set includes: 1Metal Study Compasses, 2 Triangles (45° & 30°/60°), 1 Ruler, 1 Protractor, 0.7mmPencil Lead Refill, Pencil Sharpener, Eraser. - Iron case protects and keeps all tools together in a backpack or on a desk, making them easy to carry and store. - Use scenarios: - Classroom geometry and drafting tasks, homework, and school projects requiring precise lines and angles. - Office or studio design work, technical drawings, layouts, and architectural sketches. - Art projects that need accurate measurements and straight edges for clean, professional results.