* This is perfect tool for travel before you have a long journey or trip, so you can use it measure the map route and calculate the mileage and arranges the proper agenda!!!!
* Mini nice outlook and ultra thin design with key ring for easy carry
* Equip with compass for indicating directions
* A small aluminum wheel for testing the route of map
* Four scales offer four rations: 1:1 1:50000 1:20000 1:5000
* Ideal for self-drive travel, journey, hiking, riding bike, or train trip and so on!!!!
* Size: 73*50*8 mm
* Weight: 26g