HOODDEAL 10PCS American Flint Pure Magnesium Ferrocerium Rod Flint Fire Starter Lighter for Home Outdoor Camping Hiking Emergency Survival Tool 3.15" X 1/3" 8CM X 0.8CM Rare earth materials, magnesium, a weight of 1 OZ. Put in your bag or pocket. Play poker with high safety, no spontaneous combustion. Don't have to worry about rain. But lighter or matches may fail In extreme cases only carry three pieces of equipment - knife, Flint and kettle. need a Schrade SCHF 13 knife with a carbon steel blade, ground a flat spot on the spine of the knife by the handle and got a very sharp right angle there. This knife now delivers a great amount of sparks from the ferro rod. The fast ignition of cotton, dead leaves, toilet paper and paper debris.Can withstand a thousand times the scratch