These durable steak knives are made 100% with stainless steel, there is no wooden or plastic handle that can attract batterials or ruin over time. Double serration for a durable sharpness. Dishwasher safe. Stainless Steel is coated with PVD Titanium Coating. Tested and guaranteed for more than 1000 washes in commercial dishwasher. The special Titanium Plating Process, Originaly developed by NASA, gives to the surface of Stainless Steel an extra-hardness and makes it dishwasher safe. The finish is durable, inoxidable, dishwasher safe and food safe. The production process is not galvanic and do not produce pollution. Made in Italy