Kasumi knives are hand crafted in Seki City, Japan, by the Sumikama family, a 27th generation family of knife makers. 32 layers of Stainless steel make these knives very durable. Western Style bevel with a 15 degree angle that is sharper and last longer then European style knives. Vg 10 Stainless steel hardened to Rockwell C59-60 will maintain its edge longer. The handles are made of a durable resin which is made from multiple layers of wood provides a comfortable grip.