Description of Function: The parallel ruler is used for drawing azimuth lines or navigation lines and measuring azimuth line degrees or heading line degrees when chart operations are carried out.
High Transparency: Our navigation parallel ruler has high transparency, clear scale and accurate measurement, so that you can have a nice experience of using it.
Copper and Acrylic Material: Our parallel ruler is made of copper and acrylic materials, and the pure copper gasket is polished, which is not easy to oxidize and has a stable surface.
Flexible Operation: This navigation parallel ruler is very easy and flexible to operate, just follow the actual needs and routine operation.
Exquisite Craftsmanship: This sailing parallel ruler is lightweight, easy to carry, exquisite in craftsmanship, and stable in use.