... to sharpening2. Health (Not rust)3. the blade has high hardness 4. not nickel,lead and ... . non-slabby,and easy to clean6. the blade is entire compact,non-hole,not-magnetism,non-conductive7 ... reaction. After 1600 degres high temperature sintering,the blade is entire compact,non-hole,not-magnetism,non ... a pressure of around 300 tons to produce blade shaped blank.These blanks are very brittle and fragile ...