A compact flint. It consists of a magnesium cube, which, in order to start a fire, must be scraped to obtain flammable filings, and then set on fire by rubbing a metal key on the flint on the side of the cube.
Useful piece of Mag Block of Magnesium

The small size makes it easy to fit in any backpack.
An excellent choice for fans of survival and users who practice activities in extreme conditions. The high combustion temperature of magnesium allows you to start a fire even in difficult weather conditions. Its combustion takes place at a temperature of 5400 ° F.
The heavy-duty wrench is equipped with a measuring cup and a bottle opener.