Scalex MapWheel measures distances on large maps or routes.
This tool is specifically designed for quickly taking measurements from maps. Select the built-in scale factor to match the map and roll the MapWheel along any straight or curved line. The measurement is displayed instantly.
Calculate road distances, cycle routes and 4 X 4 trails, etc. A planners tool for hikers, MapWheel can apply to Maritime applications as well.
Displays measurements in kilometers, miles or nautical miles Features counter buttons for counting stops or adding distances together
Includes two AAA batteries
Protective case sold separately