The Aurora Fire Starter Is A True Survival Tool And Will Work In Any Emergency Situation. The Fire Starter Is Made Of Knurled Anodized Aluminum, Includes A Cylinder With Built In Stainless Steel Blade At The Outside Base Which When Struck By The Ferro-Magnesium Rod With Create A Spark. The Cylinder And Rod Screw Together An Meet At An O-Ring Creating A Waterproof Seal To Protect The Rod From Corrosion. Its Rugged Design Makes It An Ideal Tool For Any Survival Situation.