2mm Diamond Coated Lapidary Drill Bits, Diamond Glass Jewelery Drill Bits Tipped for Jewelry and Agate, 20 Pack

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Product description

  • Made from diamond powder, high-quality, precise and durable to use.
  • The higher speed of drilling machine, the better effect of drilling bits.
  • Suitable for agate, jade, ball beads, barrel beads and diamond punching.

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