Our 3 knives or 4 knives are packed in sets, packed in plastic cases. The knives are made of M2-HSS to industrial standard. All the blades are made from forges steel, salt bath heat treated, tempered. All the blades are precision ground to a finish of Ra 0.4 finish and weight balanced. M2-HSS blades stay sharper longer than those of other grade HSS blades. M2-HSS blades work great on soft wood and hard woods.