Brunton TruArc 20 Compass RELIABLE - A compass designed for you in situations where your equipment needs to withstand serious abuse in rugged, wet and dirty conditions. PROFESSIONAL GRADE - TruArc 20 comes with Bruntons best features, including a sighting mirror, Clinometer, tool-less declination adjustment, and the protective cover and foot. A great tool for foresters, landscapers and contractors.Great for camping ADVANCED NAVIGATION - Resists magnetic interference better than any competitor, and will not lose its polarity.Sighting Mirror GLOBAL NEEDLE - With a global needle that is accurate in both northern and southern hemispheres, TruArc 20 is ready to go anywhere in the world. MADE IN THE USA - Made in Bruntons own facility in Riverton, Wyoming.