High Quality Materials: Soldering tip cleaner wire uses high quality brass material, It is smokeless, tasteless, non-toxic, Soft coiled brass tip cleaner can reduce oxide accumulation effectively and prolong soldering iron tip service life. Easy to Use: Soldering tip cleaner cleans better than conventional sponges. It doesnt need water so that will not reduce the tips temperature. There is no contamination risk compared to conventional tip tinners. High Efficiency: Water on a sponge drops the tip temperature quickly and depending on how fast your equipment can recover you may save down time with the soldering iron tip cleaner. Use Solder Tip cleaning wire will improve your work efficiency. Precautions:For safety reasons,you need to wear gloves when you replace the metal wire, keep the cleaner uprightly when open it, please don't take the metal wire out to sweep the tips, or this will possibly splash the melted residual solder. Package Includes: 4 PCS Solder Tip Cleaning Wire and 1 PCS Holder; the solder cleaner consists of two parts,you can separate the two parts to easily clean the tin slag. Note:Due to the manual measurement,there may be small deviations.The color may have different as the difference display,please understand.Thanks!