These 5pcs Universal Metal Nozzles for 858 / 858d/ 878 / 878d/ 898 / 898d Soldering Irons are compact and durable.Made of superb quality metal and with advanced technique， these soldering iron heads are guaranteed in ultra strong corrosion resistance， antioxidation and excellent thermal conductivity. The welding spot is up to high to ensure stable and reliable performance. Moreover， these soldering iron heads are easy to apply tin without leading insufficient solder. Featuring long lifespan and quick heat conductivity， they are practical. Take action now!                                    Features             High-temperature resistant and high universality <br> Feature fine heat conductivity， corrosion resistance， antioxidation and long lifespan<br> Adopt superb metal， enduring and durable <br> Simple design is easy to replace <br> With screwdrivers to lock nozzles <br> Effective to avoid hot wind from leaking environmental-friendly<br> Environmentally friendly and pollution-free  <br>                                                            Specifications             Material     Metal    <br> Weight     0.98oz / 28g    <br> Color     Silver    <br> Dimensions     (1.38 x 0.79 x 0.79)" / (3.5 x 2 x 2)cm (L x W x H)    <br> Compatible with     858 / 858d / 878 / 878d / 898 / 898d     <br>                                                             Package Includes            5 x Nozzles<br>