Description 【Circle Drawing Tool】 Designed for precision and ease of use, this drawing tool combines the functionality of a traditional compass with the convenience of digital technology. The built-in scale allows for quick and accurate adjustments, making it ideal for creating intricate designs and technical drawings. Its construction ensures performance, making it a valuable addition to any artist's or engineer's toolkit.【Metal Compass】 Features - Color: Black -Material:Zinc Alloy - Size: 13.80X1.00X1.00cm/5.42X0.39X0.39in 【Compass Math】Pen Style Design Offers Ease Of Use During Drafting, Geometry Lessons, And Woodworking, Making It A Versatile Tool For Artists And Engineers. 【Drafting Tools】Precision engineering: the penstyle digital compass with scale is engineered for precision, making it suitable for detailed drawings 【Geometry Compass】Robust build: made from zinc alloy, this compass is durable and resistant to wear and tear 【Drawing Compass For Art】Comfortable handling: its ergonomic design provides a comfortable grip, making it easy to use for extended periods 【Carpenter Compass】Multiuse tool: ideal for various applications, including drawing, measuring, and technical work, making it a versatile addition to any toolkit