• Unique design: each ruler has a smooth corner design, it will not harm your hands, you can easily draw a variety of geometric figures and lines. • Material: made of high-quality plastic, durable and lightweight, the color is light green. • Multifunction: you can use these rulers to draw geometric patterns such as different sizes of circles, ellipses, and squares. • Exquisite and practical: the scale of our measurement templates is clear and the drawing standard is fast. • Wide applications: geometric rulers are ideal for art design, fractional measurement, building formwork, architecture, network engineering, and drawing templates at school, office, and home.