LSD 4.5mmx75mm Ferrocerium Rod Flint Fire Starter lighter Slim Magnesium Camping Survival Tool Kits Black Useful Free shipping Ferrocerium rod is made from Iron, Magnesium and mostly of an alloy of rare earth metals called mischmetal with an excellent pyrophoric percentage : 98%min. Great wear time and strong spark! Light Weight and easy to carry. Diameter: 0.18 inch(4.5mm) Length:approx 3inch(75mm) Material: Ferrocerium