High quality steel and coated with two strengthen plates for a better hold to the wires.. The design of this wire cup allows direct gentle pressure to ensure a full contact between the wires and the surface so as to get the best performance.. This angle grinder wire cup brush is great for light-duty conditioning on metals. It is perfect for removing rust, paint, corrosion, under seal and light burrs to large metal surface.. The wire wheel can provide a great wire flexibility to reduce the scratch risk when removing light corrosion, rust, scale,paint or polishing surfaces.. It will also avoid injury and premature wear compare to the low quality brushes. Product Specifications