MapTools Improved Military Style MGRS/UTM Coordinate Grid Reader, and Protractor For use with UTM, MGRS, USNG or other metric based coordinate systems. For use on maps with scales of: 1:24,000 1:25,000 1:50,000 1:10,000 1:100,000 1:250,000 1:500,000 Compass Rose in both Degrees and Mils This tool is an improved version of the Graphic Training Aid 5-2-12 Coordinate Scale and Protractor used by United States and NATO military forces around the world Includes a 1:24:000 scale for USGS 7.5 minute topographic maps