Brunton O.S.S. 50M

Brunton O.S.S. 50M (Orbital Sighting System) Mirrored Compass. 4 3/4" x 3". Clear acrylic construction. Features Brunton O.S.S. alignment system, ergonomic, tool-free declination adjustment, inch and mm scales, inclinometer, clinometer, 2 degree resolution, on the map meridian lines, protective cover and mid-hinged monosight mirror. Lanyard hole. Blue nylon lanyard. Hang packaged.