Portland Course Plotter Kit (S/BrassDividers)

The Portland Course Plotter Kit

* Used worldwide by practical and shore based instructors
* Bright blue directional arrow prevents accidental reciprocal bearings
* Edges are graduated for tide and boat speed
* Base has a fixed grid so it is easy to plot latitude from your GPS system
* Includes a 7" Single Handed Divider
* Comprehensive instructions included