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The Brunton 40B Adventure Racing Compass provides advanced orienteering features in a slimmed-down package. The Brunton O.S.S. alignment dishes out simple, reliable readings, while the latitude, longitude, and UTM roamer scales let you dig deeper into your navigation during races, training, or large-scale trekking.

  • Analog, liquid-filled compass uses the Brunton O.S.S. alignment system to provide reliable bearings when you align the circles
  • One-degree resolution allows precision and effective navigation with its magnified readout
  • Tool-free adjustable declination lets you manually account for a difference between magnetic and true north, so you can get the most accurate readings
  • Meridian lines at map level aid orientation with a map and minimize distortion
  • Latitude, longitude, and UTM scales let you read the most out of your map with 1:24k, 1:25k, 1:50k, and UTM scales
  • Differently scaled 100m circles provide confidence when drawing points on your map
  • Reversible slide scale permits versatility for advanced users
  • Thick plastic prevents breakage during grueling races and a wrist lanyard keeps the compass close at all times
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