Description: [VERSATILE] Used for welding, soldering, or repairing a variety of metals such as stainless steel galvanized sheet, , brass, copper, iron and other metals. [MULTIFUNCTIONAL] Not only for welding or soldering, this metal soldering flux can also be used for slot cars chassis parts, advertising letters, DIY projects, jewelry making, and more. [EASY TO USE] Comes in a convenient bottle with a precision applicator tip for conveneint and precise application. [CAPACITY] 20ml/50ml stainless