Made of natural diamond powder, with high hardness to guarantee the sharpness of burs.
The diamond powder is fixed under high technology and won't shed massively, which to guarantee the durability.
Processed with high precision CNC lathes, the shanks are of highly precise dimension and common axis and wont't swing, which to make dentists function conveniently and the axes and exletree of handpieces not be damnified.
The shanks are made of top-grade stainless steel, which are hard and tensile and don't break or bend easily or never rusty.
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