PONY'S Premium Ceramic Knife Set 2 PCS - One Shiny Black Mirror Finish 5" Santoku Knife and One Black Blade Peeler - Extremely Healthy and Sharp - Lifetime Guarantee - Gift Box Made of advanced ceramic -zirconium(ZrO2)with rare earth 50% harder than steel and second only to diamond in hardness Beautifully ground with razor sharp precision, no coil, no pit lightweight, ergonomic design, fit into your hands, perfect for slicing fruits, vegetalbes and boneless meats Totally impervious to acids, juices, oils, salts or other elements, don't brown foods or leave metallic taste or smell