Compass W/Pouch Genuine G.I. Tritium (click picture to enlarge) Same features as standard G.I. w/tritium gas filled vials for clear viewing in total darkness, Model Sandy. This compass needs no secondary light source for illumination. The tritium gas allows for full visibility day or night. The GI compass has a magnetized disk that sets up more quickly than conventional needles.The Anti-static, liquid-filled dial with jeweled bearing features 1 degree gradations to ensure accuracy. The Declination adjustment scale allows you to account for the difference between magnetic and true north; scale on base is ajustable to your location. Includes built-in magnifier, protective flip down cover and lanyard. The GI Tritium compass comes with a compass pouch.