Orienteering Ranger Type Compass is made of lightweight and durable plastic to help last your next outdoor venture. Ruler graduations along the sides used in conjunction with a map scale will help determine distances. Featuring a liquid filled luminous pointer, magnifying glass, a transparent base, and a sighting mirror, survival compass is built easy to use and yields accurate results. This ranger compass measures 4 3/4” (7 3/4” Open) X 2 5/8” X 3/4” and has a large easy-to-turn dial.