Professional Grade Markings: featuring inner protractors marked in degrees and outer protractors marked in miles, this map protractor serves professional needs, providing users with the necessary tools for detailed and accurate measurement in different scenarios. Clear and Design: crafted from transparent acrylic, this map protractor features black markings that are clear, concise, and to wear and fading; Sized at approximately 5 x 5 inches, it ensures and easy visibility during your navigation tasks. Comprehensive Usage Range: ideal for UTM, MGRS, and USNG coordinate measurements, this land navigation protractor is also a suitable tool for force measurement and training benchmarks, widening its application for planning and mapping. Multi Scale : equipped with multiple scales such as 1: 10, 000, 1: 25, 000, 1: 50, 000, 1: 100, 000, and 1: 250, 000, this coordinate scale offers precise measurement for various map scales, making map reading and land navigation more accurate and convenient. Thoughtful and Practical Gift: the protractor set is not only designed for efficiency but also ideal as a practical gift; It elevates measurement training and cartography, making it a thoughtful surprise for loved on birthdays or special occasions to show your affection.