Features: *The product is used for polishing, drawing and trimming on the metal surface. *The larger the number, the smoother the effect. *User should wear the m ask, pay attention to the positive and negative direction in the clamp, and use the front empty rotation for 1 minutes. *Whether in a drill press, portable drill, lather or other application, it can do the job well. Especially useful in hard to reach areas and inside curves. *Especially for trimming, grinding, polishing those uneven surface and side surface *Grinding is sharp, high strength tensile, grinding pressure, good effect, with high production efficiency Specifications: Name:Flap Grinding wheel Material: Gauzer Shank Diameter:3mm Rod length: 40mm Outside Diameter:12mm Grit: 80/120/180/240/320/400/600 Grit Color:As Picture Show Size: 12*12*3mm PackageIncluded : 10x Flap Grinding wheel 1x Mandrel Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.