SPECS: Dimensions: 2.9 x 3.9 x 0.8 in. | 7.4 x 9.9 x 2 cm Weight: 2.2 oz | 62 g Resolution: 2deg DESIGN & DETAILS: TruArc(TM) 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 Made in the USA in Rivertown, WV