Coghlan's Map Compass makes navigation with a map simple for hikers of all abilities. This easy-to-use map compass features a see-through base with a rotating, liquid-filled housing. The scales include inches, millimeters, and 1:25,000 kilometer readings. In addition, the jeweled needle and luminous pointer make it easy to navigate using your maps even in low-light conditions. Whether you're a novice or experienced adventurer, this map compass will help you find your way through any terrain.