Guy Fieri Knuckle Sandwich Utility Knife, 5-1/2-Inch Blade, Made of High Carbon German Stainless Steel Utility knife by Guy Fieri 5-1/2-Inch blade; made of high carbon German stainless steel for stain resistance; precision heat treated to keep a great edge Patented ergonomic design; created to be an extension of your hand; natural comfort Full tang and abbreviated bolster adds strength and balance Hollow ground ovals in blade promote less stick and smoother cuts