... fineness is 30% higher than the 2# Zirconia. 2.Blade: OLLE ceramic knife blades are as white as jade in ... dishwasher safe. OLLE ceramic knives are produced via accurate steps,blade molding by pressing,cold isostatic pressing(We OLLE is only ... let the knife much denser),high temperature sintering,accurate grinding,blade testing,handle injection,sharpness testing,laser engraving,cleaning,pa- ckaging ...