Feature(may vary by option.)

●High quality, use.The size of the of the tool is 1mm
●Great tools for making an accurate hole on various bowlder, agates, pearls, jade, etc.
●Use: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

[1.5mm]

[2.0mm]

[1.0mm]

[1.2mm]

Description

durable	High quality,durable use.The size of the tip of the tool is 1mm
Great tools	Great tools for making an accurate hole on various bowlder, agates, pearls, jade, etc.
muchstrength	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.
diamonds	They are poles covered with scattered diamonds
dry drilling	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
Color	Silver
Shank Diameter	2.35mm/0.09"
Head Diameter	1mm/0.04"
Sand length	About 17mm/0.67"
Full length	Approx. 42mm/1.65"
Size	42 x 2.35MM/1.65x0.09"( L x Dia)
Weight	10g
Package Include	10 x Diamond Coated Hole Drill Bits