These are ideal to clean before soldering, to remove paint, or rust. The steel and fiberglass will aggressively remove particles while the brass is softer.

Features:

• Mini brush is designed to reach into tight corners
• Ideal for removing rust and dirt from small parts
• Can be used for scratching metal and de-glossing plastic
• Improves solder and glue adhesion
• Bristles feed out like a mechanical pencil