Can be used in most weather or low temperature.
5 pounds Made in Andorra Flint stone containing magnesium powder.0 inches (H) x 8.0 inches (L) Weight: 4. Large Survival Magnesium Flint Stone Fire Starter Emergency Kit Campin mischmetal Hunting/Survival/Tactical Knife Sheath Material: mischmetal Included Items: 1 Piece Knives & Tools Length When Open: 7 cm Dimensions: 5.