DEWALT 12-1/2-in Disposable, Reversible Planer KnivesM2 laminated high speed tool steel keeps a sharp edge longer Provides fast and easy knife change which saves time Set of three, double edged and reversible for twice the cutting life Can be used with any DeWALT planer Machined locator holes help users align knives on cutter head during knife change Features Sub Brand N A Series Name N A Type Planer knives For Use with Grinders No For Use with Miter Saws No For Use with Routers No For Use with Table