Feature: *The heating element of the iron core is the best alternative to the old core, ensuring the efficiency and long life of the iron. *Material: High quality, durable and long life. *Good quality: Heat up quickly and cool down fast. *Use: Indispensable tools for DIY enthusiasts and electronic,electric, welding use. Specification Power:30/40/60/80/100/150W Voltage: 220V/ 50Hz Applicable models: domestic same size external heating electric iron 4. Size : 30W: Voltage: 220V Length: 55Mm Outer Diameter: 9.9mm Inner Diameter: 4.3Mm 40W: Voltage: 220V Length: 61Mm Outer Diameter: 12.9mm Inner Diameter: 5.0Mm 60W: Voltage: 220V Length: 66Mm Outer Diameter: 11.8mm Inner Diameter: 6.3Mm 80W: Voltage: 220V Length: 72Mm Outer Diameter: 16mm Inner Diameter: 7.3Mm 100W: Voltage: 220V Length: 71Mm Outer Diameter: 17.8mm Inner Diameter: 8.3Mm 150W: Voltage: 220V Length: 74Mm Outer Diameter: 18mm Inner Diameter: 8.5Mm Notes: 1. Please allowed 1-3mm differences due to manual measurement, thank you for your understanding! 2. Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item. Package Includes: 1 * Soldering Iron Heating *The heating element of the iron core is the best alternative to the old core, ensuring the efficiency and long life of the iron. *Material: High quality, durable and long life. *Good quality: Heat up quickly and cool down fast. *Use: Indispensable tools for DIY enthusiasts and electronic,electric, welding use. Power:30/40/60/80/100/150W