Silva Explorer 203

Ergonomically designed base plate comfortably fits hand while 1:24,000 and 1:62,500 direct reading scales ensure accurate mapping and plotting. Extended base plate has inch and 1/10-mile direct reading scales that meet U.S.G.S. standards. Features 2 degree dial graduations, Built-in magnifier for map details, Declination scale for quick adjustments of map bearings to field headings.