Easy to use to enlarge, shrink and measure objects Scale dividers can be used for the subject of the object at the small end of the divider to transfer large end spacing to the screen Locking mechanism allows you to maintain the same ratio on the drawing Proportional dividers are a popular tool in these fields because they are accurate, pocket-sized, and do not require special electronics The scale divider tool is not only an essential tool for architects, but also an essential tool for art workers, Manufacturer: Tizuqe