This product may be intended for use by a health care professional use only. The seller may ask you to evidence you are a qualified health care professional entitled to buy and use such products in your country. Description: - Material: Copper wire - Color: Gold - This kind of brush is ideal for cleaning metallic surface, removing rust or corrosion, etc. - Perfect for jewelers, gunsmiths, locksmiths and other professions Package includes: 1 x Copper wire cup brush