... . healthy, practical, fashionable2. famous designed, international fashion style3. variety of packing styles to choose fromAvailable Size: 3",4",5",6 ... 2Y²O³Specific Densityg/cm³6.0Hardness(HV)GPa>10Moduius of EiasticityGPa200Thermal Conductivityw/m.k320 to 400°c 9.6Fracture ... edge. With this knife, people can slice pieces of meat as thin as pieces of paper.* High hardness, never be worn and torn ...