Specifications: Composed of heating wire, insulated plug and two-wire mainly. Made of high-end material, it has the merits of quick-heating, high temperature-resistant, stable constant temperature and long serivce life. It can make your soldering iron job become more convenient and easier. Item Name: Heating Core Material: Ceramic Features: Quick-heating, High Temperature Resistance, Convenient Length: 123mm/4.84" (Approx.) Power: 250W Type: Non-digital Display Wires: Two Size: 17.5cm x 6cm x 2cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Heating Core Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.