50mm Diamond Grinding Wheel Cup Circle Grinder Glass Stone Sharpener Cutter Disc. 2–12mm Diamond Grinding Head Concave Wheel 1/4" Shank F Polishing Jade Glass 1PC. The workpiece for rough grinding, deburring, cleaning, paint (paint), sanding, drawing, grinding, decorative lines, grinding, matte, soft light, polishing and mirror processing, with durable, efficient, self-sharpening, workpiece surface not black, high finish.
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