Alloy Type: this brazing rod is a narrow melting range alloy with good flowability and bonding strength; Its excellent flowability can promote brazing penetration Packaging Includes: you receive 3 sticks brazing solder rods; The welding rod complies , surfaced with flux coated Suitable Dimensions: the size is 2/25" x 20", with a diameter of 2mm and length of 50cm, suitable for universal brazing of iron alloys and non-ferrous alloys other than aluminum Broad Usage: the brazing rod applied for connecting and repairing copper, brass, steel, stainless steel, and cast iron, making it ideal for small household repair projects, Manufacturer: Akfldms