Features: Made of durable plastic material, light and portable, for use on mapswith scales of: 1:24000 1:25000 1:50000 The multicoordinate position work ruler can helpcomplete geographic study and work tasks, which is very convenient. The scale is clearly visible and easy to operate. For use withUTM, MGRSUSNG or other metricgrid based coordinate system It can be used with other protractor. Protractormarked in 90 quadrants Coordinate Ruler, you can choose according to your needs. Small size allows you to keep it handy in your pocket. Specifications: Material: Plastic Size:approx 7x7cm/2.75x2.75in Note: Please allow 0-2cm error due to manual measurement. Please make sure you do not mind before you bid. The colors may have different as the difference display,please understand. Package includes: 1PC Geographic Coordinate Ruler