Wing tail all-steel slicing knife Chef He's customized kitchen knife adopts 9 Cr 18 Mo-V three-layer composite steel, which is made of very good stainless steel. Not only is it sharp to use, but also it has stronger rust-proof ability and is more durable. At the same time, the whole blade body is designed as a whole, will not break, and is made by hand. The whole blade body is very light, only 4 10g.