Reversible cutter blade for hardwood and softwood. Reversible cutter blade for assembly in the groove unit or as pre-cutter in the milling set and planing set. Numbered blades prevent confusion when switching reversible cutter blades. Routing in hard or soft wood. numbered blades|manufactured from carbide. for VN-HK85 130X16-25, RS-HK 160x80, NS-HK 250x50