Smokeless, odorless and non-toxic, the soft spiral brass tip cleaner can effectively reduce oxide buildup and extend the life of soldering iron tips. When you clean your soldering iron, no tin residue will remain from the container, which will keep your workbench clean. Use high quality brass material, smokeless, tasteless, non-toxic. Excellent Product Performance It includes a base holder and brass wire bill, which is softer than the tip plating and harder than the oxidation that forms on the tip. to preserve the life of the tip and allow for clean and precise soldering.Instructions:After using the soldering iron, the tip will turn black.Before residue sticks on the tip.Push the tip into the brass wire downward.Then the tip will be cleaned like the original.Color: as shownShipping Quantity: 1 (including base),"