Outdoor enthusiasts and navigation nerds, this military-grade protractor is seriously precise! The rectangular design is calibrated in both degrees and mils, plus meters and yards - making it incredibly versatile for any navigation situation. Made from thick, durable plastic that's completely waterproof and won't yellow with age like cheaper alternatives. The built-in numbers are laser-etched so they never rub off, even with heavy field use. It works with 1:25,000, 1:50,000, and 1:100,000 scale maps, so whether you're doing detailed orienteering or broader navigation, this tool has you covered. The laser cutting ensures accuracy to within +/- 0.5 mm, which is crucial when you're trying to pinpoint locations in the wilderness. The central and offset string holes make it easy to use with cord for precise plotting. Perfect for hiking, survival training, military exercises, or any situation where accurate navigation matters. CYA is known for making quality gear that outdoor professionals trust, and this protractor delivers that same reliability. If you're tired of cheap protractors that break or lose accuracy, this military-spec tool will last for years of adventures. Serious navigators know that having the right tools can make all the difference when you're out in the elements!