Features: 100% quality and Brand new. Round-shaped brush with carbon steel wire bristles Ideal for cleaning flat surfaces and removing rust and corrosion from items made of brass, copper or other soft ferrous metals such as tools, door knobs, automobile parts and electrical contacts Note: The wire may be slightly peeled off during transportation. It is recommended to rotate in the air for 1-2 minutes when using it for the first time. Suitable for speed: 8000-30000 rpm. Do not squeeze strongly during use, otherwise it will cause the wire to fall off.
eBay