1,for soldering iron 120V 2,OD*Length: 3.8mm*60mm 3,Wattage:25W 4,Heating zone :23.5mm 5,Heating resistance :136ohm We are producing every kind of good quality 120V,25W soldering element for soldering iron with the advantages of long lifetime, energy-efficient,high insulation,super fast heating up and eco-friendly. There are a series of serious quality control systems to make sure the quality of ...