The Metal Zinc Alloy Adjustable Compass Divider Math Set is a high-precision and durable toolset designed for students, professionals, engineers, and artists. Made from premium zinc alloy, the heavy-duty compass ensures stability and long-lasting performance. Featuring a press-to-adjust diameter mechanism, it allows for precise and effortless adjustments when drawing circles or arcs. The set includes a click pen, 2.0mm and 0.5mm refills, eraser, and sharpener, making it a versatile and complete geometry kit. Ideal for technical drawing, drafting, and mathematical applications, this set offers accuracy, convenience, and professional-grade quality.