Feature:1. High Purity: The pen barrel solder wire has less residue during welding, and the welding gas is clean, plump, strong in luminosity and less corrosive.2. Rapid Melting: small smoke and irritating smell during welding, rapid melting, low eccentricity, and uniform thickness.3. Automatic Wire Routing: designed and manufactured in line with national industry standards, the rosin distribution in the tin wire is uniform, and the continuity is good. The solder wire will not be tangled during automatic routing.4. Neat Winding: The winding is neat, beautiful, light and portable, which is convenient for you to carry and use.5. Scope of Application: Suitable for welding of electrical and electronic products, home appliances, automotive electronics, and industrial electrical products.Specification:Item Type: Soldering WireMaterial: High Purity Leaded Solder WireSpecifications: 3Product Function: Metal Attachment Welding.Package List:3 x Soldering Wire3 x Pen Holders