Features: Compatibility: The scale map is suitable for use with MGRS, USNG, or other metric-based coordinate systems. 3 Kinds of Scale: The coordinate scale protractor is extensively used by military forces and navigators to mark the map being measured, for use on maps with scales of 1:25000 1:50000 1:100000 1:250000. Easy to Read: The compass of topographical map scale read in both Degrees and Mils. The clear ink printed makes it easy to read the value. High-quality Materials: The transparent coordinate scale is made of high-quality plastic materials, durable and sturdy, wear-resistant, anti-fall, and can be used for long service life. Wide Application: The coordinate scale map is suitable for land or sea navigation, or other adventures. Specifications: Material: Plastic Color: Transparent Size: Approx. 127x127mm/5x5 inches Package Includes: 1 Piece Coordinate Scale note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.