Ensure that you have the right tool for every cutting task with these Lenox 20769 5 Piece Multi Purpose Jig Saw Blades. They are composed of a durable high carbon steel that's designed to tackle a variety of materials. This kit comes with booth smooth and rough wood cutting blades and it can handle light-duty metal cutting tasks as well. The U shank blades are simple to install. They function in most jig saws. Add a set of Lenox blades to your garage to do your projects more effectively.