Guy Fieri Guy Fieri Signature Sidetang Nakiri Knife (7-Inch, Black) This knife is a critical part of any chef's knife set for everyday prep and cooking tasks. The blade is crafted from durable high-carbon German stainless steel that resists rust. The textured sidetang grip is both ergonomic and comfortable. Each knife is perfectly balanced and weighted for the ultimate control. This product is not dishwasher safe. Hand wash with warm water and a mild detergent; rinse and dry immediately.