StaySharp Knife Block with Integrated Sharpener 6 Piece Set | K32006UK Forged German Stainless-Steel Integrated StaySharp knife sharpener Rust Resistant Hand wash only 10 years guarantee Ninja Foodi StaySharp Knife Block with Integrated Sharpener 6 Piece Set Experience incredible performance and professional sharpening at home, time after time. Ninja’s premium knives are built to last from durable forged stainless steel with precision blades that easily slice through tough ingredients. Maintain incredible sharpness at home with an integrated knife sharpener conveniently built into the knife block, restoring your blade’s superior sharpness* with just a few swipes of the lever. These premium knives stay sharp for 10 years with recommended sharpening. This 6-piece knife set includes an 8” Chef Knife, 8” Bread Knife, 8” Slicing Knife, 5” Utility Knife, 3.5” Paring Knife and Scissors.