5Pcs I+B+K+2.4D+3C soldering iron pure copper 900M soldering iron head set inside hot bare copper electric soldering iron tip
https://www.vogueparade.com/shopping/EN/1440/1/1005003375469757/5pcs-i-b-k-24d-3c-soldering-iron-pure-copper-900m-soldering-iron-head-set-inside-hot-bare-copper-electric-soldering-iron-tip//