RF Induction Heating Soldering Iron - FX1001-51 Soldering handpiece conversion kit with iron holder is used with the Hakko FX-100 RF induction heating soldering system. It is also compatible with a select number of "other" RF induction heating soldering systems. There is no calibration or system settings required. Uses Hakko T31 series tips (less expensive than others and offer up to 2-3X longer tip life) Specs: Tip-to-ground resistance <2 ohms, Tip-to-ground potential <2 mV, Total length (w/o cord) 7.5 in. (190 mm) w/T31-02D24 tip, Weight (w/o cord) 31g w/T31-02D24, Reach 4.3 ft. (1.3m), Heating element is high frequency induction-type. Tips not included What is In The Box: N/A Add-Ons:N/A Accessories:N/A