Durable and practical With small, good polishing effect, high efficiency, low cost. Widely used in the micro- electronic devices, and other industries. Fit for your polishing need,can use for metal and nonmetal materials. Suitable for metal surface cleaning, derusting, grinding, dusting, deburring, polishing, stripping residue 1. Material: scouring pad 2. Color: Random Color 3. Diameter of Shank:3mm/0.12" 4. Diameter of Brush:25mm/0.98" 5. Length:45mm /1.77" Package include: 12 x Polishing Wheel Buffing Pad Note: Random color, don't accept the specified color. 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.