King Innovation 46731 Replacement Blades for Utility Folding Knife 5 Pack - This 5 pack of replacement blades are for use with the King Innovation Utility Folding Knife. They are also compatible with most standard utility knives. The King Innovation Utility Folding Knife is apart of the line of hand tools from King Innovation that are designed to make any project easier. From clamp tools to tongue and groove pliers to knives, these high-quality tools provide peak performance and are essential for any contractor.