Adjustable Circle Drawing Ruler 10mm To 77mm

SPECIFICATIONSBrand Name: isfridayOrigin: Mainland ChinaDIY Supplies: WoodworkingModel Number: Adjustable Circle Drawing RulerCertification: CEFeatures 1: Woodworking ToolsFeatures 2: Circular DrawingFeatures 3: Ruler For JoineryFeatures 4: Iris Circle ToolChoice: yes   Circle drawing tool is a math ruler that seamlessly creates a perfect circle in seconds. With this meter, you dont have to worry about the circle being drawn. The drawing tool will not easily move during use to destroy the drawn pattern. It can be adjusted at any time during the use; flexible and convenient,and the circle drawing tool can be reused for many years. MAIN FEATURES [ Premium Material ] Drawing tool is made of high quality Aluminum Alloy and Stainless Steel, its durable and not easy to rust, with good hardness, high strength, good corrosion resistance, easy to operate.  [ Adjustable ] Diameter size can only be adjusted between 10mm and 77mm. Circle tool can be used to draw round measurements