... all kinds of knife, also for cold work moulds with high precision, long service life requirements, such as punching die, cold ... extruding mould, precision measuring tool.2.Specification:Conventional or ESR, hot rolling or ... 4.DeliveryMill deliver condition,without sawing or cutting 5.Steel grade: W18=T1 W6=M2 High speed steel(W18,W9,W6,W5,W2)