Plotter for pilots, accurate measurement to make work easier. Made with durable resin that will not melt, twist or break in extreme temperatures. Provides quick scale references, both statute and nautical miles. Easy to read scale. Simply use, find the start and end points on the map, place the plotter between the two airports and draw your route. Welcome to contact us if you have any questions, we're willing to offer help. Plotter for pilots, use to plan your route. Guaranteed accurate scale help your work much easier. Simply use, first mark the start and end point, then place the plotter between the two airports, finally draw your route.