Zirconias Ceramic Knife is belonged to nanometer level product, and rigidity is inferior to diamond, it has super abrasion resistance and high rigidity. Small particles combined to body of knife, super degree of surface for knife body, none metal taste, without impacting fruits and foods in taste, heat proof, no rusted, no magnetism, no electrical conductive, easy to wash and operate, blade of knife could be last for long time (could keep sharp for several years without milling), this product is newest super cutting tools which adopt modern high technology to produce. 1.7inch knife.2. Material of knife handle is plastic: ABS+R.3. Advantages:Healthy, Sharpness, Abrasion resistance, High Temp resistance, Portability,and Eco-Friendly.4.Notice for use:* Use a wooden or polypropylene cutting board as cutting support. Dont use on earthenware, glass or porcelain surface.* Dont cut hard, frozen or boned food.* Avoid any shock on hard surface.* Avoid to use tip of knife to crack hard objects.* Wash by hand with water.* Put it on knife rest or plastic scabbard after you finish use.5. Package: EVA + Gift box / White box or as your request. 6. Knife holder and blade can change as customers request. If you use new mold, you must pay it. But the order quantity of this item is more than 100,000 pcs, we will return this charge to you. Please feel free to contact me if you have any questions.