- 3-in-1 design: this product functions as a ruler, a round gauge, and a round gauge refill pack. The multifunction setup helps save space and keeps essential drawing tools together in one compact kit. - Excellent drawing tools: provides solid basic equipment for school, training, and work, supporting everyday geometry and drafting tasks with reliable performance. - Stable compass with versatile features: a sturdy compass that offers quick adjustment, angled legs, and includes replacement needles and leads. These features help ensure precise circles and arcs with reliable setup and minimal maintenance. - Multifunctional design for learning: the foldable tip turns the compass into a pencil, increasing versatility for drawing, note-taking, and sketching without switching tools. - Key attributes and benefits: multiple tools in one package, sturdy construction, quick adjustment, angled legs for stability, replacement needles and leads included, foldable tip to convert to a pencil, suitable for school, training and work tasks. - Practical use scenarios: - In geometry class or math homework: draw accurate circles, arcs, and measurements with quick adjustments and stable legs. - During technical drawing or drafting training: use the reliable compass for precise layouts, with replacement needles and leads on hand for extended use. - For study and note-taking: switch to pencil mode with the foldable tip to sketch ideas or annotate diagrams without switching tools.