Features: - It is a necessary, economical, efficient way.- It is widely used in micro - electronic instruments, jewelry and moulds production.- Great for all types of detail work in both hard and delicate materials.- The main application is to remove burrs, rust removal, dust removal, remove oxide layer, coating, and improve material Standard of metal stone materials, which is an important part of machining process.Model: Polishing BrushColor: See PictureMaterial: Scouring Pad + Wool + Cow SheepskinQuantity: 12pcsShank Diameter: 2.35mmType: T-type / Ball-typeProduct Weight : 38 G / 1.34 OuncesProduct Dimensions (L*W*H) : 80*80*30 MM / 3.15*3.15*1.18 InchesPackage Weight : 40 G / 1.41 OuncesPackage Dimensions (L*W*H) : 80*80*30 MM / 3.15*3.15*1.18 InchesRetail Packaging: No, No PackingPackage Include:12 x Polishing Brush