Adjustable Circle Maker: A math ruler that creates a perfect circle in seconds. Can be used as a 360 measurement system for students and students. For engraving, carpentry, sewing, designing and lifting. Professional Tools: Fine craftsmanship and anti-corrosion performance, our round tools are finely polished to provide you with high-quality professional products with high precision, light weight, small size and easy to carry. High Quality: Made of aluminum alloy and stainless steel, good corrosion resistance, not easy to rust. Versatile: Can be used with pencils, pens, pencils, or spray guns. Can be used for 2D flat or 3D spherical objects (containers, bowls, decorations). RemaASDue: If you dont feel smooth when you use it for the first time, please rotate it several times or add a little smooth powder or smoothing agent to the rotation, it can be used very well.br Product Size:12.5cm | Colour:Gold Features: Its a completely redesigned tool for drawing and measuring perfect circles. Made of aluminum alloy and stainless steel, good corrosion resistance, not easy to rust. Its perimeter can be enlarged or reduced. It can be used to draw round measurements and so on. It is an easy-to-carry plotter and can be used in industry. Just turn the rings to open and close its captivating opening mechanism. Features: Type: circular drawing tool. Materials: Aluminum alloy and stainless steel. Colour: gold. Size: about 12.5 cm. Content: 1 circle drawing tool. RemaASDue: Please allow 0-1cm error due to manual measurement. Please only order if you accept this margin of error. Item color may vary from the pictures depending on your computers brightness and display settings. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and well make you feel satisfied.