Made with Top grade 440C Japanese High Carbon stainless steel, HRC 56-58 hardness * Blade Length x Width x Thickness: 7" x 2" x 2.5 mm for Santoku knife and 5.5" x 1.7" x 2.5 mm for vegetable knife, 0.65 LBS * Hollow ground air pocket design to prevent food from sticking to knife body * Integrated stainless steel handle with anti-slip TPR inserts to prevent slip & create comfortable holding * Long-lasting sharp edge designed for cutting meats, vegetables and fruit, DO NOT Chop bones, Steel is imported from Japan and quality made in Taiwan