Warning: Must be used in a safe location that permits fire. Not for use indoors or in a fire hazzard area. Use Caution. Parts: Main block is the magnesium, Round bar attatched to the block is the flint and the metal part is the striker and magnesium shaving tool. How to Use: Shave a small quantity of magnesium with the metal striker into a small pile of grass, paper or leaves. Then strike the flint with the striker creating sparks. The sparks will start the fire with the shaved magnesium.