Fangrui Product Details Transparentcoordinate Scale Is Wear Long Servicelife. Wide Application: Suitable For Land, Sea Navigation Or Other Adventure Activities. Easy To Read: Topographic Map Scales Thecompass Reads Degrees Andmiles. Scale: Coordinate Scale Protractors Are Widely Used By Andnavigator To Mark Map Being Measured, For 1:25,000, 1:50,000, 1:100,000, 1:250,000 Map. Compatibility: Scale Map Are Suitable For Mgrs, For Usng, Or Other Metrybased Coordinate Size:approx. 127x127mm/5x5in Thickness:1.2mm Colour:as Shown Material:plastic Package Contents: 1set * Military Protractor Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.