| The strength and density of ceramic materials allow the blade to be ground with microscopic precision by diamond wheels. The result is a razor-sharp blade that retains its original sharpness more than 10 times longer* than steel knives. * Result of tests performed at Kyocera factory in October 2004 |

Kyocera ceramic knives can be resharpened by specialists, but that is generally not necessary for a long time. Special tools are required for resharpening. Costs: