Military MGRS Coordinate Scale Map Reading and Land Navigation Topographical Map Scale, Protractors Scale rulerFeatures:Adopt plastic material, this ruler is and lightweight, making it easily to carry and use.Bottom line reads 1:25000meters and 3.3kilometers respectively.The second line reads 3 kilometers at the verification meter and 1:63360meters respectively.Half moon shaped, with an outer edges of 0-6400miles and 0-360degrees.An essential tool for precise measurements in various field, such as engineering, architecture, and projects.Specifications:Material:ABSPackage Includes:1x Topographical Map ScaleNote:Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.