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, durable 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 surface, 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 * 16mm polishing brushes 3 * 25mm polishing brushes 3 * 30mm polishing brushes Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.