Product description
Specification: 30w 40w 60w
Inner diameter: 4.1mm/6.1mm/7.1mm
Package Includes:1 * Soldering iron heating core
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