Brass Tip Cleaning Sponge with Holder. High quality: Use this cleaning sponge to avoid cleaning your soldering iron with water (temperature loss). Smoke-free, odorless, and non-toxic - Toxic Spiral Soft Brass Tip Cleaner effectively reduces oxide buildup and extends the life of the tip. When cleaning the soldering iron, no tin residue remains in the container, keeping the work surface clean. Dimensions: 6.8 x 7.5 cm (D*H); Quality product from: Each product is tested before shipping, in stock. The tip cleaner cleans your tip without water! Tip cleaners are made of brass coils, which are softer than the tip coating but harder than the oxide layer that forms on the tip. To clean the tip, simply immerse (insert) the tip into the coil. Excellent product performance. The tip cleaner prevents premature tip drop. Compared to conventional tip cleaners, oxide formation in the tip is significantly reduced. It consists of a base and a ball made of brass wire that is more flexible than the tip coating and harder than the oxide layer formed on the tip. As such, they help remove oxides and excess solder to extend the life of the tip and enable clean, precise soldering. Note: After using the soldering iron, the tip of the soldering iron will turn black. Note: After using the soldering iron, the tip of the soldering iron will turn black. Note: The tip of the soldering iron will turn black. Before the residue sticks to the tip, press the tip down into the brass wire. Then the tip will be as clean as before. , "