Specially designed replacement heating core for portable wireless mini welding and soldering tools. Made from high-quality heat- materials for strong durability and long service life. Integrated DC power supply and internal heating structure deliver rapid and stable heating performance for efficient soldering work. Stable temperature, less thermal deformation, and improved safety during continuous use. Perfect as a spare or replacement internal heating core to restore the performance of your mini welding tool, suitable for electronics maintenance, hobby work, jewelry repair, and on-the-go soldering applications., Manufacturer: Akfldms