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• Specification: Diamond Drill Bits *52pcs, Clear Plastic Box *1, Packaging Outer Box *1, Sealed Bag *1.Size: 16.3 x 8.6 x 1.8 cm.Weight: 285g.
• 52 Different Diamond Grinding Bits: With different drill bit designs and a wide range of shapes, no matter what kind of fine work you need to carve and polish, the diamond fine sanding head drill bit set will meet your different needs.
• Efficient Engraving: From fine texture engraving to rough contour cutting, from flat finishing to three-dimensional shaping, you can find the right tool in these 52 pcs diamond burr set.
• Material: Diamond stone carving bits are made of reliable quality diamond particles, thick, durable, high hardness, impact-resistant and durable enough for fine detail work.
• Multifunctional Engraving Drill: 52 Pcs Diamond Grinding Drill Bits are ideal for home decoration and crafts, good helper for polishing, grinding, drilling, cutting, engraving and so on. Capable of engraving on a wide range of materials including: tile, ceramic, glass, jade, marble, granite and other hard materials. 
• Universal Compatibility: The Diamond Grinding Head Drill Bit 52 Kit comes with a 3mm shank universal drill bit that is compatible with most rotary tools.
• Warning: Avoid shaking during use, as this can lead to object failure and tool damage. Wear appropriate protective equipment such as goggles, gloves and masks when using the grinding drill.
• After-sales Service: we provide six months quality warranty. If you encounter any problems or need maintenance in the process of use, we will be happy to provide you with timely and effective after-sales service.
• Contact information:Your Account→Your Orders→Sold by：mizhiaheng→Ask a question. If you have any questions, please feel free to contact us. 
• Diamond Grinding Bit