Global SAI-3001 3 Piece Knife Set 3 pc. Set includes 7 1/2" Santoku Knife, 6" Utility Knife and 7 1/2" Chef's Knife Every GLOBAL SAI blade is made of the finest stainless steel, Cordova 18, designed exclusively for GLOBAL Tempered and hardened to Rockwell C56 Degree-C58 Degree, SAI blades hold their razor sharp edges longer than other steel and resist rust, stains and corrosion Lightweight and balanced for easy handling in the kitchen Smooth contours and seamless construction eliminate food and dirt traps Made in Niigata, Japan; Lifetime warranty against material and manufacturing defects