Military Style UTM/MGRS Coordinate Scale For use with UTM, MGRS, USNG or other metric based coordinate systems. Compass Reads in both Degrees and Mils The Original Graphic Training Aid 5-2-12 Coordinate Scale and Protractor (GTA 5-2-12) For use on maps with scales of: 1:25000 1:50000 1:100000 1:250000 Been confusing 2nd Lieutenants for over 40 years!