SL2 Flint - for ignition of fire

Flint - one of the oldest devices for ignition of fire, the temperature produced sparks ~ 3000 degrees.
Flint as opposed to lighters are not afraid of water, works in wet and wind, not frozen, not brittle, unpretentious, does not require maintenance and refueling, do not deteriorate with time, depending on the size of a resource from hundreds to several thousands of applications .
For fast production of fire using flammable tinder or flint in which in addition to the rod ferrocerium have rod or bar of magnesium, by which to make a fire will not be difficult.