BQLZR 1MM Silver Extended Gems Diamond Drill Bits Bowlder Pearls Jewelry Agates Hole Drill Bits Diamond Coated Tip Pack of 10

Key features

• High quality,durable use.The size of the tip of the tool is 1mm
• Great tools for making an accurate hole on various bowlder, agates, pearls, jade, etc.
• Use Tip:Light pressure, diamond tools are processed by grinding the workpiece, If use too muchstrength, flour is not easy to rule out, especially the small tools is also easy to damage.
• They are poles covered with scattered diamonds
• Note: Be sure to put water to cool, such as dry drilling, the diamond on the tool head will be graphitized due to overheating, and will be worn out quickly