Features: Brand new and high quality Used for soldering at narrow pitches, correction of bridge and drag soldering. Lead free paint environmentally friendly soldering iron tip, high-temperature resistance, more suitable for high melting point lead free soldering There are total 5 shapes of soldering tips in this set and you can choose the proper one for different soldering needs Don't leave your iron running for hours and hours if you are not using it This can make the tip get black-oxide cover. Try to tins the tip as it heats. If you leave it on too long or run it too hot it will burn off the solder and go black again. Specifications: Material:Copper+Alloy Color:Black Size:As shown in the figure Package Includes: 5Pcs Soldering Iron Tips note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.