Tough-Grade, Stays Sharp, Ceramic. This culinary cutlery set includes our 6? Chef, 6Serrated Bread, 5 Santoku and 3? Paring knives. These four ceramic knives are used very frequently for cutting and prepping. Stays Sharp Blade Rust-Free Guarantee Dishwasher Fearless? Weighted Handle Precision Diamond Ground Edge Tough-Grade Black Ceramic Sheath Shield