Features: Our proportional dividers scale artist drawing tool light in weight, easy to grip, wear-resistant, not easy to break, for long time use. Package includes: 1Piece proportional dividers drawing measurement caliper tool. Size: 9.84Inches. The locking device on the proportional dividers allows you to maintain the same proportions on the drawing. Widely used for draiwng, accurate measurement. Suitable for most architects and artists. Precisely proportional divider drawing tool is easy to use. You can align the subject item you want at the small end of the dividing line, and transfer the spacing of the big end to your drawing area. Professional proportional divider ensures professional levels accuracy in your drawing and designs, helping you create achieve amazing result. Specifications: Color: Black Component: PP Size: Approximately. 25x2x0.7cm/9.84x0.79x0.28in Weight: Approximately. 19g Package Includes: 1Piece Proportional Divider Drawing Tool note: 1.Please allow 0-1cm error due to manual measurement. Make sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color