knife sets 1)material: Zirconia(Y-TZP) 2)blade size:covers from three inches to eight inches: 3". 4". 5". 6". 7". 8" 3) blade color: white 4)Handle: ABS, rubber, wood, color handle. 5) Base: Arcylic Ceramic knives are more popular in the world, they are used in kitchen application, and as Senior gift, because they are Health, fashion, ultility, environmental-protection. Please se the Advantage as below 1) The blade made from advanced nano-grade zirconia(ZrO2) with high technology 2) Hardness is HRC90. only secondly to the diamond, super sharp and last longer 3) Wearability is 60 times as much as metal knife, wear-resistance 4) Corrosion resistance and neutral taste (no metallic steel taste added to food) is one of the advantages of ceramic knives. Some fruits and vegetables are acidic, and will quickly rust stainless steel knives if they are left unwashed. The same goes for blood and meat juices when cutting meat. 5)Green. Lead-free,non-toxicity,Anti-corresion, never rust, keep food orginal color and flavour, enviroment-friendly 6) soft touch, easy hold handle in accordance with theory of physical engineering science. There are different style ceramic knives, such as Chef knife, parer, fruit knife, shell knife, pattern printed knife, saw knife, ultility knife, Santoku knife. We can make the ceramic knives with your logo