This precision drawing set by Helix includes a thumbwheel compass and technical tools for all your drawing needs. The brand Helix is well-known for producing high-quality stationery and school equipment. This set is perfect for students, artists and architects who require accuracy and precision in their work. With this set, you can create detailed technical drawings with ease. It is suitable for a variety of applications such as engineering, architecture, and design. The set is made from durable materials and is designed to last. It is an essential tool for any creative individual who needs to produce accurate and detailed drawings.