The scale divider tool is not only an essential tool for architects, but also an essential tool for art workers. There is a locking device so that you can keep the same proportion on your drawing. Easy to use. Increase, decrease measure the size of a subject to draw. Proportional dividers are accurate, pocket-sized, and require no special electronics, so they are popular tools in these fields. Scale divider can be used to your desired subject matter in the small end of the divider and transfer the spacing of the larger end to your drawing surface. Proportional Divider Artist Drawing Tool for Artist Professional Compass Caliper Scale Divider Drawing Supplies Drafting drawing tools for artists drawing tools & drafting drawing tools for adultsFeatures:Scale divider can be used to your desired subject matter in the small end of the divider and transfer the spacing of the larger end to your drawing surface.Easy to use. Increase, decrease measure the size of a subject to draw.There is a locking device so that you can keep the same proportion on your drawing.Proportional dividers are accurate, pocket-sized, and require no special electronics, so they are popular tools in these fields.The scale divider tool is not only an essential tool for architects, but also an essential tool for art workers.Specifications:PlasticSize: approx 26x1.8cm/10.2x0.7inPackage Includes:1x Scale DividerNote:Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item.