Tramotina Original 9 Piece Knives set Combining a collection of all knives that are needed in a kitchen adds Quality and more charm in your kitchen with the Plenus line. The line meets different uses: from food preparation to table service. The Plenus line goes from breakfast to dinner, from the roast to the cheese board. Stainless steel blades and polypropylene handles are sturdy and comfortable. They can be washed manually or taken to the dishwasher.