Map Wheel is a simple, fast and accurate way to measure distances on maps, whether in straight lines or along curves. Just set the Map Wheel's scale to match the map, then roll the unit along the route you want to measure. The distance is displayed instantly. Portable, uses two AAA batteries (included). Measures in miles, kilometres, and nautical miles only.

• 19 Built-in user scale factors including all common map scales
  
  
• Measures in miles, kilometres and nautical miles
  
  
• Counter and adder buttons on probe tip let you count stops made or add fixed destination lengths as you measure
  
  
• Calculate auto-scale factor from reduced, enlarged or add-scale maps
  
  
• Create, store and retrieve user scale factors
  
  
• Clear, audible tone indicates wheel movement
  
  
• Easy-to-read liquid crystal display shows length, count and scale factor simultaneously
  
  
• Optional Hard Case ( See Scalex Protective Case )

        Please note: This model is designed for use with Maps only

           For Plan scales, please see the Scalex SA model