Custom Made Damascus Steel Chef Knife Olive Wood Handle Copper Bolster The blade of the chef's knife is a hand forged steel blade, with a steel quality of 1095 to 15N20 high carbon Japanese steel. 200 layers, and the heat treatment is 52-56 RC. This handle of this knife is full tang. This knife has one of the best blades on the market, so make sure not to miss out! This knife is a must have for any chef or cooking enthusiast! ***It is recommended to wipe the blade clean with WD-40 to prevent rust*** Specifications Overall Length: 12" Blade Length: 7.5" Handle Length: 4.5" Blade Width: 1.5" 1095 to 15N20 High Carbon Japanese steel ***Care and maintenance for your Damascus Steel Kitchen, Chef, or Cutlery blade: Before storing your knife, please coat it with vegetable oil or Vaseline to prevent rusting or drying of the forged steel. If you have just cleaned your knife, you should dry it immediately and then apply the vegetable oil or Vaseline. Other cooking oils can be substituted for vegetable oil, such as coconut oil.