General description Designed for mathematical geometry and artistic drawing, this 5X Professional Compass offers precision and stability. Its unique design prevents slipping while drawing, ensuring accurate results. Technical specifications Maximum diameter: 10 inches Minimum diameter: 1/8 inch Material: Metal Color: Blue Measurement allowed error: +/- 1-3 cm Compatibility and accessories Includes 5 x Precision Compass 10 x Spare Screws 15 x Spare Lead Three additional wires for easy replacement Installation Lock the compass in place using the adjustment knob for precise geometric constructions. Usage Ideal for drawing all kinds of circles. Spring-loaded bow head and thumbwheel prevent unintentional slipping. Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing.