🌵 Ball shape head, diamond grinding tools for diamond and jade carving.
🌵 These are 120 grit and 3.0mm shank.
🌵 Diamond burr tools for grinding, engraving, cutting lines, polishing, carving, glass engraving.
🌵 Electroplated diamond grinding.
🌵 Need to be used with electric mill/hanging mill/bench mill.
🌵 Perfect for plastic, wood, glass, metal, ceramics, tile, marble, granite, stone, and many other materials.
🌵 20 Pcs different heads grinding bits are included, Various shapes and sizes.