* made of stainless steel material;
* antimagnetic acid;
* tip hardness are particularly good, not easy to deformation, HRC amounts to 40 above, can be used for a long time, increased life span;
* when in use, comfortable hand feeling, can adapt to long-term work;
* the appearance of smooth lines, fine processing;
* sophisticated fine, long contact surface, can be adapted to very fine products in the 0.01mm object operation;