Description:This orienteering ruler is designed with a compass, you can use it to navigate in the forest. It is a good tool to use in camping, hiking, scouting and more, estimate the actual distance between two points on the map. The transparent design makes it easy for you to see the map when you place a ruler on the map. It comes with a rope, you can use the rope to tie the ruler on your backpack, wrist and others to prevent it from dropping or getting lost. Compact and lightweight, does not require much storage space, uses strong and durable acrylic to perform, not easy to damage. Specification:Material: Acrylic. Color: show as picture. Size: show as picture. Note:There may be a bit of color distortion due to the different resolutions of your computer. There may be slight errors due to other manual measurement. Package Included:1 * Compass Ruler