Stable temperature, less thermal deformation, and improved safety during continuous use. Integrated DC power supply and internal heating structure deliver rapid and stable heating performance for efficient soldering work. Specially designed replacement heating core for portable wireless mini welding and soldering tools. High-quality heat- materials strong durability and long service life. Perfect as a spare or replacement internal heating core for electronics maintenance, hobby work, jewelry repair, and on-the-go soldering applications., Weight: 0.55997414548 Pounds, Manufacturer: Prterver