Made of materials, durable for welding, brazing and soldering lighters, for survival kits, outdoor kits, camping, hunting and cooking. Single strength flint lighters are made of strength stainless steel and are suitable for professional welding, brazing, soldering, outdoor sports, lifesaving gear and more. Single flint lighters are reliable and ignite in a variety of conditions. Combined with round files, it provides a sharp surface for continuous spark, round edge flame and antirust coating. The lighter can be ignited under all operating conditions. Use scenarios In workshop or field environments for welding, brazing and soldering tasks. Outdoor activities such as camping, hunting, survival kits and cooking, including starting campfires or grills. Emergency or lifesaving scenarios where quick, reliable ignition is required in adverse conditions. Key attributes Function: reliable ignition for welding, brazing and soldering Material: strength stainless steel Coating: antirust coating for durability Spark mechanism: continuous spark with a sharp surface enabled by round files Performance: ignites under all operating conditions