HSS for Making Knife(W18,W9,W6,W5,W2) 1.Used in making all kinds of planner knife, 2.Flat, bars,heat treatment ... High speed steel(W18,W9,W6,W5,W2)Planer knife1.Main applicationUsed widly in making all kinds of knife, also for cold work ... .DeliveryMill deliver condition,without sawing or cutting 5.Steel grade: W18=T1 W6=M2 HSS for Making Knife(W18,W9,W6,W5,W2)