YG8 tungsten carbide knife with LED 1.ISO9001:2000 certification 2.Reasonable price 3.Advance machine ... 4.10 years experiences YG8 tungsten carbide knife with LED cutting electrisity circuit board ,advanced technology.High density, hardness , bending ... . Different grades are avaliable,such as K01,K10,K20,K30,P10,P20,P30,M10 etc. Welcome your order. We have a ...