Features: brand new and high quality Small size, light weight, suitable for internal heating type soldering iron. These soldering iron heating elements are made of ceramic materials, with two-wire heating, stable quality and superior performance. Good insulation, anti-static, no leakage, no fire, to ensure safety. High-quality heating element is corrosion-resistant, resistant to oxidizing acid, alkali, high temperature, and has a long service life. Optimal performance, fast heating, high heating efficiency, fast heat conduction. The internal heating element is heated in sections to ensure that the core material is heated evenly. Provide 110V/220V heating core, suitable for most electric soldering irons. The internal heating components adopts sectional heating to ensure even heating of the core. Specifications: Material: Ceramic Type:60W 110V/60W 220V/80W 110V/80W 220V Length:5cm/1.97inches Package Includes: 1 x Ceramic Heater Heating Core note: Please allow an error of 0-1mm due to manual measurement.