Ceramic Knife Set With Sheath 5 piece - 6&rdquo; Chef Knife, 4&rdquo; Utility Knife, One Peeler - Black and Red Handle (Black) by Highland Land Ceramic knife is made of PRECISION NANOMETER ZIRCONIA, is easy to clean, never rust, hygiene, keep original taste and color of fruit and vegetable, keep you away from germ and bacteria. UNPARALLELED SHARPNESS: Ultra-sharp ceramic blades are sharper,stronger,stay sharp 15x longer than regular steel blades Ceramic knife is typically HALF WEIGHT of metal-based knife, offers total ease of use with the most difficult cutting tasks. ERGONOMIC handle provides unique support for maximum performance. SAVE TIME WHEN PREPARING MEALS with our superior edge retention technology. Cut raw meat, fish, fruits, and vegetables with razor sharp precision. Requires much less sharpening than steel knives. No one wants to throw out spoiled food they've paid for. Oxidation is part of the problem. Oxidation breaks down cut foods causing them to turn color (brown) and spoil quicker. OUR KNIVES WILL NOT OXIDIZE YOUR FOOD. Ceramic knife is almost as hard as diamond, is super sharp, never need sharpening, works best for slicing boneless meats, fruits and vegetables.