Brunton O.S.S. 20B Baseplate Compass Tool-Free Declination System -
The Brunton O.S.S. 20B Baseplate Compass is a lightweight and durable baseplate-style compass for day hikes. This cost-effective navigation device features Brunton's proprietary alignment system and includes tool-free declination adjustments, two degree resolution and mineral oil filled housing for more precise headings and reliable readings.
- Mineral oil filled housing
- 2deg. resolution accuracy
- O.S.S. Alignment System
- Inches/mm scales
- Tool free declination adjustment