The "fireball" is made of ferricomium and works differently to a flint, a flint takes the sparks from the steel striker, with a ferricomium rod the steel, it usually comes with a piece of hacksaw but the back of your knife will do, takes the spark from the rod. it gives off a good shower of sparks compared to flint and steel and will ignite some tinders straight off bypassing the ember stage.
It is a lot easier to use than flint and steel, but is a modern material it is good in an emergency and there are several brands/types around.
It is a lot easier to use than flint and steel, but is a modern material it is good in an emergency and there are several brands/types around.