This high quality map protractor is equivalent to the Graphic Training Aid 5-2-12 Coordinate Scale and Protractor (GTA 5-2-12), which is the standard issue protractor for US and NATO military forces around the world. Compatible with UTM, MGRS, USNG and other metric based coordinate systems, the compass rose features dual scales with the Inner markings in degrees and outer markings is in mils. Supports multiple map scales (1:10,000 1:25,000 1:50,000 1:100,000 1:250,000). The precision die-cut manufacturing process used provides very accurate and clean edges, and the .040" clear acrylic material is highly flexible while being stronger and more durable than standard issue protractors. Whether you are an experienced navigator or a novice orienteering student, you will find this high quality protractor loaded with professional features. Dimensions: 5.00" H x 5.00" W Weight: 0.9 oz