• used for tracing or dotting and a great aid if you need to reduce or enlarge images and drawings

  • features die sunk graduations with holes drilled for accuracy and adjustable nylon ratio thumb screws for smooth movement

  • it has 19 ratios to allow for variations in the enlargement or reduction of your images

  • its made of seasoned hardwood bars nickeled lead holder attachment and table clamps, and a metal tracer points

  • available in 2 sizes