- The Math Compass is designed for easy grip and smooth top operation, allowing for quick adjustments to the circle's radius. Once set, the radius locks securely in place, ensuring precise and consistent circles every time. - Set B includes a complete range of tools: a compass, pencils, erasers, sharpener, rulers, protractor, and triangles. The compact size of the packaging is 9.96 x 4.72 x 1.02 inches, making it easy to store or carry. - Set A features a compass, a lead core pencil, an eraser, a ruler, a protractor, and triangles, all neatly packaged in a size of 3.54 x 7.09 x 0.98 inches for convenience. - The compass set can draw circles with a diameter of up to 30 cm (11.81 inches), perfect for various applications, from school projects to professional designs. Practical uses include: 1. Ideal for students needing to create precise geometric shapes for math assignments or art projects. 2. Useful for architects and designers who require accurate circles in their sketches and plans. 3. Great for hobbyists engaged in crafting, ensuring professional-looking results in every project. This Math Compass and tool set stands out for its practicality, portability, and ease of use, making it an essential addition to any stationery collection.