Chicago Cutlery Essentials 2 Piece Partoku/Santoku Set. Includes: 7" Santoku & 4-1/2" Partoku knives. Triple-compression stainless steel rivets increase the safety and stability of these Chicago Cutlery Essentials knives. High-carbon stainless steel blades are stronger and harder than traditional stainless steel, and they still resist stains, rust, and pitting. Professional high-carbon stainless steel blade and handle, Full metal tang provides added strength, balance, and control, exclusive Taper Grind edge technology, Full lifetime warranty.