Victorinox 7.5" Offset Bread Knife, Serrated Blade, Black Nylon Handle, 41694. Durable nylon handle is NSF approved and dishwasher safe. Even though all nylon handles are dishwasher safe, hand-washing is recommended to prolong the finish of the handle. Bread knives are a type of serrated knife. The serrations on the blade make it ideal for cutting bread and other things that are hard on the outside and soft on the inside.