• The package includes: straight ruler (5.9 inches), set square (60°), set square (45°), protractor, eraser, metal compass, pencil lead box for compass, and metal storage case. • Great applicability: suitable for study, office, home, mathematicians, engineers, architects, artists, designers, and craft enthusiasts. • Clear scale and precise measurement: ensures accurate results when measuring. • Sturdy and durable: stainless steel compass, resistant to prolonged use, with spare leads. • Convenient to carry: case designed for easy transport and organization, reduces clutter in work areas.