ANENG SL102 17pcs/set Digital Thermostat Household Constant Temperature Soldering Iron Set 60W Internal Heat Welding Tool Kit(EU Plug)Features: 1. Ceramic internal heating intelligent constant temperature electric soldering iron, internal heating, smaller size, faster heat conduction, equipped with an intelligent constant temperature chip for higher efficiency 2. Temperature visualization, ABS non slip design, intelligent constant temperature chip, safe and fast heat conduction 3. The ceramic heating core is energy saving and stable, and conducts heat from the inside to the outside