General description This adjustable circle drawing tool is a high-quality stainless steel ruler designed for measuring and drawing perfect circles ranging from 25 to 78 mm in diameter. Its innovative design allows for easy adjustments, making it a versatile tool for various applications including engraving, carpentry, sewing, and tailoring. Technical specifications Material: Stainless steel Adjustable diameter: 25 to 78 mm Circle template diameter: Approx. 12.5 cm (4.9 inches) Usage Simply place the tool where needed and adjust the size by rotating the golden edges. Draw along the circle with a pen for accurate measurements. Ideal for students and schoolchildren for educational purposes. Other information High corrosion resistance and durability.