Military Protractors Either semi circle or square shape protractor should be an essential tool in any soldier’s kit. MP-16'' Protractor MP-2Coordinate Scale and Protractor MP-39'' Protractor MP-4Square Protractor MP-5Coordinate Scale and Protractor MP-6Military Rectangular Protractor MP-7Grid Style Map Protractor MP-8Slot Style Map Protractor MP-9UTM Slot Tool MP-10UTM Corner Ruler