Navigation Parallel Ruler, Roll Ruler Lightweight, Clear Scale, Multifunctional Marine Parallel Ruler Measurement Tool for Measuring Student 600mm

[Function]: Our navigation parallel ruler is designed to draw bearing line or course, the degree amount of bearing line degree . [Material]: The parallel ruler is made of premium acrylic sheet, high hardness, and long service life. [Features]Designed precise scale, accurate and easy to see, very easy and flexible to operate. A good accessory for drawing and measurement [High Transparent]: Navigation Parallel Ruler has good transparent and does not obscure too much information. [Exquisite Craftsmanship]: Our navigation parallel ruler can have a nice experience of using it, for drawing a line parallel to another line or reference Package Includes:1 Navigation Parallel RulerNote:Please allow slightly errors due to manual measurement and different monitors.