Advanced learning aid: This protractor and compass set is crafted by experienced math experts and is ideal for teachers and students. With high quality materials, it supports learning from basic concepts to advanced geometry. Enhance your geometry experience and make math practice enjoyable with this versatile tool. Durable construction: The set includes a protractor and compass with a flexible ruler for precise measurements. It is built to last, not easily broken, and comes with convenient portable storage for on-the-go use. Versatile multi-use instrument: Enjoy precision and control in a variety of settings—classroom, home, or office. The tools are organized in a robust, impact-resistant iron case for reliable, long-lasting performance. User-friendly design: Ergonomic design and high quality metal components, including a ruler and a triangular ruler with clear, well-defined markings, make it easy to identify and use. A dependable tool for both teachers and students. Usage scenarios: - In classroom geometry lessons, for accurate angle drawing, angle measurement, and triangle construction. - At home for homework and independent practice, reinforcing concepts with reliable tools. - In the office or design studio for drafting and precise measurements during planning and projects.