Cromova18 stainless steel. Rockwell c56-58. Acute 15 degree cutting edge. Designed by komin yamada. Made in japan. Set consists of: g-77, g-102, gs-92, g-105, gs-61, gs-108ut the japanese element wind emphasises freedom and movement, the ability to grow and expand, whether that is the air or the human mind. Our kaze block set, suspends global knives in the air offering opportunities to add to the collection at will, so representing the freedom of movement associated with the air. Air is represented in cuisine by poultry and the global kaze collections have been influenced by knives used to prepare poultry. Knives in the kaze collection are also fluted, the flutes creating air pockets which prevent food from sticking to the blades. Note: This product cannot be sold to any person under the age of 18.