Knife set, Chef's knife 15 cm, herb knife 9 cm, Ice hardened for superior cutting function, stainless steel, good and secure grip. This is a really useful combination. Use the versatile chef's knife to chop seasonal vegetables and delicious fresh herbs, cut quality meats and much more completely effortlessly. The precise little herb knife is ingenious for cutting fruits and vegetables into cubes and sticks. Let's cook! Jamie Oliver. Jamie Oliver and Tefal are the perfect cooking team. Jamie contributes his passion and knowledge of food, while Tefal delivers the technology and features. Together, they have been creating great, high-quality products for almost two decades that make cooking from scratch a real pleasure. The wise choice for delicious food.