Polaris 177 Compass Silva Polaris 177 Valuing accuracyExcellent value, superior accuracy with the Silva Polaris 177. Large numerals at every 20 degree mark and a clear base plate with inch and millimeter markings and a 124,000 scale make it easy to read a map, set bearings and plan a trip with the Silva Polaris 177.Features 2 degree dial graduations on the Silva Polaris Declination scale for quick adjustments of map bearings to field headings
)
