Features:
1.This tool is lightweight and portable, with a mini metal handle for easy holding.
2.Quality metal and plastic shell, Feel, wear-resistant, rainproof and .
3.Easy to use, just put the mini metal wheel on the map and roll it, the pointer would point to the scale.
4.It can help you quickly calculate the distance by measuring the distance between two points from the map.
5.Nice people who are fond of outdoor activities. Good for outdoor uses, camping, hiking, cycling, hunting, etc.

Specifications:
Material: Aluminum + ABS + Acrylic
Color: Black
Product Size: 9.5*4.5cm/3.74*1.77in

Package List:
1 x Map Tool

Note:
1.Use it in the horizontal state to ensure the accuracy as far as possible.
2.In order to avoid derangement of the magnetic needle, please keep a certain distance from the barbed wire and magnetic objects when using.
3.Do not knock objects with a surveying and mapping ruler to avoid affecting the measuring accuracy.
4.The disk surface and lens should be kept bright and clean. Do not wipe with dirty cloth or hands.
5.When not in use, it should be closed and placed away from ferromagnetic materials to avoid loss of magnetism.