About this item SIZE - Shanks are 1/8 inch (3mm), buffing wheels are 1" in diameter, 25 mm abrasive wheel ABRASIVE BUFFING WHEEL SET - Each grit 10pieces, total 40pieces, Brown 80Grit,Green 150Grit,Red 240Grit,Black 300Grit REPAIR THE DENTS - Buff wheels enable you to achieve a smooth, uniform finish and conformability to irregular surfaces with minimal smearing CONVENIENT AND PRACTICAL - Small buffing wheel is an efficient polishing tool of metal, with small, high efficiency, low cost WIDELY APPLICATION - Fit for your polishing need, used for polishing all types of metal and jewelry and non-metallic materials in small area of rust deburring and surface polishing. Features: Usage:These 40 pcs polisher abrasive buffing wheel are used for DIY engraving, grinding, polishing (wood, metal, stone polishing purposes). These are high quality 3mm scouring pad abrasive grinding head wheels for electric grinding rotary tool accessories. Can be used for metal grinding and polishing with good wear resistance, reliable and practical. Features: Precision polishing effect for metal with high efficiency. Widely used in polishing and grinding the micro electronic devices and other objects. Use for metal and nonmetal materials, perfect grinding effect and long using life. Basically replace with handle small abrasive grinding wheel and no dust pollution. Convenient to grind, simple to use, safe and reliable. Widely used in metal, wood and jewelry surface polishing, derusting, grinding, sanding, deburring and stripping residue.