Inexpensive compasses

SPECS: 2.9 in. x 4.2 in. x 0.6 in. Weight: 1.8 oz. Design & Details: Oversized baseplate designed for accurate triangulation Magnifier aids reading of small map details Tool-free declination adjustment provides simple and fast orientation of magnetic north to true north Meridian lines on vial assist during pre-trip planning when aligning with map grid lines TruArc ™ Global Needle tilts up to 20 ° for balanced use worldwide 2 ° resolution azimuth ring provides accurate readings High-visibility cling eliminates troubling low lighting while removability facilitates map use Inch/millimeter scales provide accurate and effective map work