1. made of stainless steel material; 2. magnetically acid proof; 3. cutting-edge hardness is very good, not easy deformation, hardness HRC more than 40, can use for a long time, increase life span; 4. when use feel relaxed, can adapt long-term work; 5. exterior smooth lines, processing fine; 6. the tip is fine, large contact area, able to adapt to very fine products on the 0.01 mm objects operation;
