famcüte japanese chef knife set, 3 layer 9cr18mov clad steel w/octagon handle and block wooden holder for 4piece kitchen knife set (8” gyuto knife, 7” nakiri knife, 7” santoku knife, 5” utility knife) famcüte <strong>forging technology</strong></br></br> the steel core is made of 9cr18comov high-quality steel and forged forged into 3 layers claded steel.</br></br> the composite process makes the whole knife more distinctive and highlights the professional identity of the chef.</br></br> hand-polished 16-degree v-shaped edge, which improves sharpness and makes cutting more smoothly and comfortable.</br></br> <strong>maintenance</strong></br></br> 1.do not cut bones or hard food (bones, dried food, frozen food, shelled nut etc.) frozen food have to be full thawed before cutting.</br> 2.do not slap on anything with blade; do not cut food on hard objects. (glass, ceramics, metal board, stone plate etc).</br> 3.do not sway cuting things, because of the high hardness of claded steel knife, sway cutting will cause the blade edge collapse.</br> 4.do not touch corrosive, hydrochloric acid kind materials, keep away from fire, do not soak or clean with saline water. after each use of the knife, please clean it with water, wipe dry and place in dry and ventilated place.</br> 5.to ensure a beter performance, please select different types knives for cutting different food.</br> 6.if the knife is blunt, please use professional sharpening stone. do not use rough sharpening stone or rod, this will seriously damage the steel core and the beauty of the texture</br> 7.please note all dimensons are measured manully, the devistion within 1-2 mm.