Navigation Parallel Ruler

With the active support of our team of experts we are Exporter, Manufacturer, Distributor & Supplier of Navigation Parallel Ruler in Roorkee, Uttarakhand, India. Parallel rulers are a drafting instrument used by navigators to draw parallel lines on charts. The tool consists of two straight edges joined by two arms which allow them to move closer or further away while always remaining parallel to each other. The Parallel Rule Captain Fields' Pattern is divided with protractor markings (double reading) and compass points.