• The package includes: 1 ruler (15 cm), 1 set square (60°), 1 set square (45°), 1 protractor, 1 eraser, 1 metal compass, 6 leads for the compass. • Meets the different measurement needs of users. • Adaptable for use in studies, offices, and homes. • Suitable for mathematicians, engineers, architects, artists, designers, and craft enthusiasts. • Clear scale and precise measurement for accurate results. • Compass made of durable metal materials. • 6 leads are provided for the compass as replacements. • Aesthetic design with a light blue case that stimulates interest in mathematics.