Features:

1. Comprehensive Set: The set includes four essential tools for geometry and drafting tasks, providing a comprehensive solution for various measurements and constructions.

2. Measurement Tools: The set consists of a 20cm scale, which allows precise measurements up to 20 centimeters, enabling accurate length calculations and drawing lines to scale.

3. Triangular Rulers: The set includes two triangular rulers, one with a 45° angle and the other with a 60° angle. These rulers are useful for constructing and measuring angles in geometric shapes, such as triangles and polygons.

4. Protractor: The set features a 180° protractor, which enables the measurement and drawing of angles ranging from 0° to 180°. It assists in accurately determining and marking angles in various geometric constructions.

5. Durable Construction: The tools in the set are typically made from durable materials such as plastic or metal, ensuring longevity and resistance to wear and tear. This allows for repeated use over an extended period.

6. Compact and Portable: The compact size of the set and the transparent case make it easy to carry and store. It is convenient for students, professionals, or anyone needing to perform geometric measurements or constructions on the go.

7. Versatile Applications: The set is suitable for a wide range of applications, including drafting, technical drawing, architecture, engineering, mathematics, and various educational activities involving geometry.

8. Clear Markings: Each tool in the set is likely to have clear and accurate markings, making it easy to read and interpret measurements, angles, and scales.

9. User-Friendly Design: The set is designed with user convenience in mind, providing ergonomic shapes and comfortable grips to facilitate precise and controlled measurements.