This super sharp Japanese stainless steel knife is made of 440C high carbon steel, which increases toughness, improves stain resistance and prolongs knife life. The prefect weight balanced full length handle are made of stainless steel which is durable, non-slip, easy to clean, waterproof, bacteria-resist, comfortable and beautiful. All in one stainless steel handle design are a metal extension of the blade with a comfortable grip. The package comes with one set of chef knife set and one set of Santoku knife set. Each set is packed with nice blister packaging. DO NOT chop bone or use knife on hard surface like glass cutting board, tile and granite. Hand-wash your blades with gentle dish soap, rinse clean and towel dry immediately. Hone your blades with a steel or ceramic rod weekly to keep it sharp. Recommend to sharpen your blades with a whetstone at an angle of 15 - 20 degrees. 100% satisfaction guarantee. Package includes: Chef knife 8" x 1.8" x 2.0 mm + Paring knife 5" x 1.1" x 2.5 mm AND Santoku knife 7" x 2" x 2.0 mm + Paring knife 5.5" x 1.7" x 2.5 mm.