Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 450MM,
Material: Made of premium acrylic sheet, high hardness and long service life.
Function: Designed to draw lines bearing line or course, the degree or amount of bearing line degree course line.
Precise Scale: The scale is engraved, accurate and easy to see. A good accessory for drawing and measurement
Good Transparency: Navigation Parallel Ruler has good transparency and does not obscure too much information.
Easy to Draw: Two hands each holding a ruler of David, alternately moved in parallel. Sturdy links provide the right amount of tension for drawing a line parallel to another line or reference point.
Material: acrylic fiber
Color as shown
Package Contents:
1 pcs Parallel Ruler