Scale: Coordinate scale conveyors are widely used by andnavigator to mark the map being measured, for maps of 1:25,000, 1:50,000, 1:100,000 and 1:250,000. Easy to read: the topographic map scales and compass degrees and miles. The transparent coordinate scale has a long service life. Wide application: suitable for land, sea or other activities. Compatibility: Scale maps are suitable for MGRS, USNG or other metric-based coordinate systems., Weight: 0.05842249943 Pounds, Manufacturer: Rtxbvg