Guy Fieri Signature Stainless Steel Chef Knife with Sheath (6-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, and provides exceptional balance and control. This 6-inch chef knife comes with a protective sheath for safe storage. This product is not dishwasher safe. Hand wash with warm water and a mild detergent; rinse and dry immediately.