Acrylic Material: The parallel ruler is crafted from a high hardness acrylic plate for exceptional durability, ensuring it won't easily break or crack over extended use, thus offering a long use life.
Marine Plotting Tool: Provides a convenient way to accurately mark distances; it's fully adjustable and easy to use for fast, precise one handed operating, a great tool to supplement your navigation kit.
Clear Scale: Its engraved scale is precise and easily visible, making it an invaluable accessory for accurate plotting and surveying during navigation at sea.
High Transparency: Featuring excellent transparency, the navigation parallel scale does not obscure too much information, allowing for clear visibility and effective use.
Easy to Draw: Hold a ruler in each hand and move it alternately in parallel. Sturdy links provide the right tension for drawing a line parallel to another line or reference point.
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