Built-in declination scale
Inch, mm, and 1:24,000 scales
2º graduations for increased accuracy
Clear baseplate for better map orientation
Weighs only 1.0 oz.
Get accurate orienteering for an excellent price with the Polaris 177 Compass from Silva. Large numerals at every 20º mark, a clear baseplate with inch and millimeter markings, and a 1:24,000 scale make it easy to read a map and set bearings. Declination scale for quick adjustment of map bearings to field headings. Face color: black.