High Quality Steel Wire Wire cup brush uses high-quality 0.02" thick hardened carbon steel wire as raw material, which can minimize the loss of steel wire and effectively prevent the steel wire from breaking and flying during the working process. Strong Functionality Wire wheel brush are mainly used for removing paint, wood grinding, rust removal, wood polishing, metal polishing, deburring, and are widely used in the installation industry of ships, automobiles, petrochemicals and so on. Wide Range of Applications Wire cup brushes are used for rust removal, paint removal, metal deburring, deoxidation and welding edge cleaning, and are widely used in the machining of light and heavy tempering work of metal, wood and other materials. Specifications Material: Thickened Steel Color: Red Size: 4 Inch