With a larger base plate and more ergonomic features than the Brunton 10B, the 20B is a good choice for regular navigators. Each of the Brunton O.S.S. compasses feature a circle-on-circle north indicator, a needle with an orienting circle instead of a magnetized disc, and map meridian lines in the base.
- Brunton O.S.S. alignment system
- Tool free declination adjustment
- 2° resolution
- Inch/mm scales
- Weight 1.7 oz.
- Dimensions: 2.5''x 3.5''x 0.5''
- Made in the USA
- Weight 48g
- Dimensions: 64 x 89 x 13mm
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