The Brunton TruArc 7 Sighting Compass is a compact sighting compass with mirror and clinometer provide confidence for advanced navigation and orienteering. FeaturesTruArc Global Needle tilts up to 20deg for balanced use worldwide.Tool-free declination adjustment is simple and fast to orient magnetic north to true north.Meridian lines on vial assist during pre-trip planning when aligning with map grid lines.Inch/millimeter scales for accurate and effective map work.Sighting mirror and sighting line integrated into the cover. Align for the most accurate bearings, whether taking or following a bearing.Clinometer with 2deg resolution for measuring slope angle or gauging heights of passes, peaks or trees.High visibility cling for enhanced performance in low light; can be removed to facilitate map use.2deg resolution azimuth ring provides accurate readings.FSC-certified and recyclable packaging