- Ideal for math, geometry, art, drawing, woodworking and general drafting. Easy to carry to lessons and store in the classroom. - Professional math geometry tool set suitable for architects, engineers, artists, designers, students and teachers. - Durable construction: made of polypropylene and metal. Each square ruler and protractor features clear, easy-to-read scaling for precise measurement. Includes a storage case to protect and store the tools in backpacks and school bags. - Package contents: 1 piece metal geometry tool, 1 piece 30°/60° set square, 1 piece 45° set square, 1 piece straight ruler, 1 piece 180 degree math protractor, 1 box of 0.7 mm pencil leads, 1 piece eraser, 1 piece storage case. - Key attributes: accurate measurement tools, clear scales, portable size, sturdy materials, organized storage with a dedicated case. - Use scenarios: - Classroom geometry lessons: students measure angles and lengths with set squares and protractor to complete assignments accurately. - Drafting and design work: professionals and students use the set for preparing precise sketches, plans, and drawings. - Arts and woodworking projects: artists and makers rely on the ruler, set squares and protractor to mark straight lines and accurate angles.