The Mr. Pen School Compass for Geometry is built for accuracy, smooth control, and everyday ease—perfect for geometry class, drafting, and art projects. Engineered for accuracy & ease: Sleek design for precise radius settings and smooth adjustments Draw circles & arcs with precision: Made for geometry, drafting, and art work Robust metallic frame: Built to withstand the rigors of classroom and professional use Vibrant pink finish: Eye-catching color that stands out in your supplies Pen-style grip: Familiar feel for easy control for students and professionals Center wheel for fine adjustments: Helps you dial in measurements with better precision Includes spare lead tube: Stay prepared for projects without needing immediate refills