1. Efficient Distance CalculationThis map distance measuring wheel simplifies distance calculations by allowing you to measure the distance between two points on a map. Quickly and accurately determine distances for better trip planning. 2. MeasurementEasily measure distances on maps with this user-friendly tool. Simply place the mini metal wheel on the map, roll it, and watch the pointer indicate the scale for accurate measurements 3. MaterialCrafted with metal and a plastic shell, this map measurer is tough, wear-resistant, and rainproof, ensuring durability for long-lasting use in various outdoor conditions 4. Outdoor GiftIdeal for outdoor enthusiasts, the Map Measuring Gauge makes a great gift for those who enjoy camping, hiking, cycling, hunting, and more. Equip yourself or a loved one with a practical tool for navigating the great outdoors Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.