Ginsu Hanaita Series 05912 33 Layer Japanese VG-1 Core Damascus Stainless Steel Set of Four 5-InchSteak Knives Experience the beauty and strength of Ginsu's Japanese Damascus 420J2 stainless steel wrapped around a VG-1 metal core Hanaita Damascus Blades are made with 33 layers of alternating high and low carbon Japanese stainless steel These layers are forged together and sharpened to an extreme 10 degree Asian knife angle The blades are cryogenically cooled with liquid nitrogen for ultimate edge retention, creating one of the sharpest, strongest knives in the world Hand wash only; limited lifetime warranty