ITEM NAME:10pcs 40W Soldering Iron Heating Element Heater Core External Welding To NWS Descriptio n Description 100% New High Quality Material: Mica Color: picture color Size: Product size: 56.9*9.7mm, inner diameter 5mm Weight: 0.1kg Power: 40W Voltage: 220V Frequency: 50Hz Product list: 10 electric iron heaters Product Description: 1. Imported nickel-chromium wire, superior natural mica film, fast heating, long use time 2. Double ring design, can withstand high temperature for 500 hours Feedback If you are satisfied with our products and services, please leave "positive feedback" and our system will provide the same feedback ASPS. If you are not satisfied with the product when you receive the product, you can.Power: 40W. Double ring design, can withstand high temperature for 500 hours. Product list: 10 electric iron heaters. Color: picture color. Material: Mica. We want to make sure you are happy with our item.