Item Type: Soldering Tip Refresher Clean Paste_x000D_ Material: Tin Powder _x000D_ Application: Soldering Iron Tip 1Main Application: The paste is to clean the black oxide layer of the soldering iron tip can remove the oxide layer, and re tin the soldering tip to make it look new and prolong its service life. 2Easy Operation: Put the tip of the soldering iron directly into the paste for two or three seconds during work, then clean it with a sponge and then you can put it into use again. The repairing effect is outstanding! 3Do Not Affect Work: When cleaning the soldering iron, the temperature will only drop by 2 to 3C. After cleaning, it can be soldered immediately, it does not affect the working effect. 4Easy Carrying: With a small size and light weight, you can just put it in your pocket anywhere you want to operate your work. 54Pcs: There are 4 pieces clean paste in the package, enough amount to meet your daily needs and can be used for a long time.4 x SolderingTipRefresherCleanPaste