5” × 5” Military Style Coordinate Scale Protractor made by 1mm flexible plastic material.
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
The inner protractor is marked in degrees and the outer protractor is in mils.
Larger 1:50,000 and 1:100,000 scale rulers for maps with wider grid spacing
Rounded corners keep it from wearing holes in your pockets.