Package Includes: Comes with 15 pack 5 sizes brass coated wire brush for removal of rust, corrosion and paint. Quality Material: Made of hardened steel wire, and sturdy, will not be easily fractured with strong toughness. Equipped with environmental anti-rust treatment and brass coated. Hardened steel wire for reduced wire breakage and longer life. Fit Most Drill: 6mm shank wire brush fit most drills and can operate at speeds up to 4500RPM, meet your need for use on steel and preparation. Wide Application: Suitable for rust paint corrosion removal and polishing on all types of metal parts or , wonderful tool for cleaning and removing debris. Also can be applied to ships, aviation, automotive, petroleum, construction and other industries. Warm Note: All these brass wire brushes might prick your hand, please be careful when you are working on with them. size: 10/12/16/25/30mm Material:Wire colour:Gold + Silver Package Contents: 3 * 10mm polishing brushes 3 * 12mm polishing brushes 3 *