- Updated version of Breton & Portland Plotters
- Movable compass rose grid
- Edges graduated in inches & centimeters
- Pencil & sharpener included
- Lifetime warranty
This navigation tool is versatile and can be used to lay off a course or a bearing, measure distance between any two points, plot a position on a chart from a given set of coordinates, or determine the coordinates of a position on a chart. It is an update