No GPS? No problem! The BRUNTON® O.S.S. 50M mirrored compass will get you where you need to go. It features a tool-free declination adjustment, on-the-map meridian lines for precise headings, and a handy clinometer. The hinge of the sighting mirror is located in the center of the base plate, so you'll be able to sight objects more quickly and accurately along the same direction of the travel mark used for map navigation.
Features
BRUNTON® O.S.S. alignment system
Tool-free declination adjustment
On-the-map meridian lines
2-degree resolution
Mid-hinged sighting mirror
Clinometer
Inch and millimeter scales
Includes lanyard and protective cover
Limited lifetime manufacturer's warranty
Dimensions: L 3.9 inches x W 2.9 inches x H 0.8 inches