Eureka! Silva Explorer Compass
Here's what other sites are saying:
A good compass is a basic necessity when heading into the backcountry. This compass is a great value and has more features than the standard entry-level compass. 1:24,000 and 1:62,500 scales allow you to map and plot routes with great accuracy. Two-degree graduation has large easy-to-read numbers at every 20 degrees. Extended clear base plate has inch and 1/10-mile scales that meet USGS standards. Parallel lines in base make map work easier. Built-in magnifier helps you see fine map details. Declination correction scale lets you quickly adjust for magnetic deviation to take accurate field headings. Imported. Dimensions 4"L x 2"H. Weight 1 oz.