Soldering Iron External Heating Soldering Iron Core Replacement Core Heating Core Heating Element

Label:Yes Specification: 30w 40w 60w Material: mica metal Inner diameter: 4.1mm/6.1mm/7.1mm Package Includes:1 * Soldering iron heating core Length: 55mm/58mm/65mm 1- Fast heat conduction, high temperature resistant heating core, stable quality. 2- Surface insulation protection, rapid temperature rise. 3-Stainless steel heating wire, not easy to short-circuit oxidation, safer to use