Calphalon classic self-sharpening knives stay sharp for a lifetime. The 12pc cutlery set features sharpin technology with built-in ceramic sharpeners that automatically sharpen knives with every use. Knives feature high-carbon, no-stain steel. This product contains Stainless Steel (Iron, Chromium, Manganese, Nickel, Phosphorus) FOR MORE INFORMATION ABOUT CHEMICALS IN THIS PRODUCT VISIT www.newellbrands.com/ChemicalDisclosures  Knife Blade Type: Stamped # Pieces In Set: 12 Included: 6 4 1/2 Inch Steak Knife(ves), 1 Pair of Kitchen Shears, 1 4 1/2 Inch Paring Knife(ves), 1 8 Inch Chefs Knife(ves), 1 Self Sharpening Knife Block, 1 6 Inch Serrated Utility Knife(ves), 1 7 Inch Santoku Knife(ves) Features: Ceramic Coating, Triple Riveted, Built-In Sharpener, Contoured Handle Knife Blade Length: 8 Inch Base Material: 100% Stainless Steel Care: Hand Wash Material: Steel Country of Origin: Imported