Fangrui Product Details [professional Adjustable Circle Drawing Tool] - The Circle Drawing Tool Is A Math Ruler That Easily Creates A Circle In Seconds And The Drawing Tool Will Not Easily Move During Use And Destroy The Drawing, Is Flexible And Convenient, And Can Be Reused For Many Years. [premium Material] - Made Of High Quality Metal, Durable, Not Easy To Rust, Good Hardness, High Strength [adjustable] - It Is Adjustable, Can Be Large Or Small, And Can Be Opened And Closed By Simply Turning The Ring [easy To Use] - The Diameter Becomes Larger With Clockwise Rotation And Smaller With Counterclockwise Rotation. It Is Very Easy To Use. [multipurpose] - The Round Template Ruler Tool Is A Great Tool For Students, Carpentry. Also For Engraving, Carpentry, Sewing, Sewing And Lifting. Colour:as Shown Material:metal Package Contents: 1 X Circle Maker Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little