Tojiro DP 7-inch Hollow Edge Santoku Knife 3-ply clad construction with a core of VG-10 steel, encased between two layers of highly rigid rust resistant stainless steel 60 Rockwell Hardness; 9 to 12 degree blade angle Triple riveted western style handle; 180mm (7-inch) blade length with dimples, also known as a hollow edge Made in Japan, Lifetime Warranty