Product Description
Johncera Deluxe Ceramic Knife and Peeler Set with 4 inch and 6 inch knives and Peeler - In organic black mirror ceramic blade (better than white blade): Kitchen & Dining. Not all the ceramic knives are the same. The Johncrea ceramic knives are made of an advanced, high-tech ceramic called zirconium oxide (also called zirconia). Our deluxe black blade is even 20% harder than the white blade with better breakage resistance and sharper. This material, which is second in hardness only to diamond, was originally developed for industrial applications where metal components failed. Zirconium oxide is extremely hard, wear resistant, and chemically inert. Zirconium oxide has a hardness of 8.2 mohs (vs. steel at 5-6 mohs and diamond at 10 mohs). Many of them were not heat treated enough or having too much impurity.
Shipping Weight: 4 pounds
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