Frank Bee Deluxe Marching Compass is a multi-use compass that is protected by a durable zinc alloy case. The side ruler is used to measure where you are on a map and guide you to your next destination when used with the map scale. 360-degree circular scale and the green fluorescent north arrow makes navigating an easy task. The outdoor compass features an inclination scale, magnifier, and level, which makes this compass the perfect the addition to your outdoor gear collection.