Precision drawing compass for school, education and university use — 110 mm Key benefits Accurate, repeatable circles: the central drive wheel provides fine, slip-free adjustment so you can set and hold exact radii for geometry, drafting, and design work. Ready to use and long-lasting: supplied with refills so you can continue working without hunting for replacement leads. Safe, organised storage: the practical plastic case protects the compass and refills when not in use and keeps everything together in a backpack or pencil case. What it does and why it helps Draws precise circles and arcs for mathematics, technical sketches, and creative projects. The middle drive wheel prevents unintentional movement during use, reducing errors and wasted time. Compact 110 mm length makes the compass easy to handle and carry between classes or to the studio. Practical attributes Includes refill leads for continued use. Practical plastic case for secure storage and transport. Central drive wheel for precise, non-slip adjustment. Length: 110 mm. Typical use scenarios School geometry: construct accurate circles and bisectors for class assignments and exams. University engineering or drafting labs: create consistent radii and technical sketches during coursework and projects. Art and design: layout circles and arcs for illustrations, patterns, and craft templates. Specifications summary Product type: compass with refills Storage: practical plastic case Adjustment: middle drive wheel for precise, anti-slip control Length: 110 mm