1. COMPREHENSIVE PROFESSIONAL FEATURES This set contains 27 professional drawing instruments, such as rulers, circle drawers, protractors, pencils and erasers. Whether for draft designs or precise drawings, everything is possible without any problems. The comprehensive and professional equipment saves you frequent tool changes when drawing and increases work efficiency. 2. HIGH QUALITY MATERIALS All tools are made of high quality materials, which guarantees their durability and precision. The rulers are clearly scaled, circular drawers and protractors are flexible and accurate to use, so you can cope even better when drawing. 3. PORTABLE STORAGE SYSTEM The set is equipped with a portable storage box, which can store all the tools neatly. It is suitable for both outdoor sketching and office use and always keeps your drawing tools neat and clean. 4. Wide Applications This set is suitable for various drawing scenarios such as architectural design, art creation and engineering design. Both professional designers and drawing lovers can find the right tool. It covers different drawing requirements and makes your creations even more colourful.