If you are looking for high quality scroll saw blades, you need some of these olson precision ground reverse tooth scroll saw blades. These scroll saw blades are made of the finest carbon steel which makes them very durable with a long blade life. Their razor sharp teeth cut faster, smoother, and cut more accurately in both straight and radius cuts. They have a unique tooth geometry with widely spaced gullets which minimizes burning and provides rapid chip removal. These olson scroll saw blades are the best blades available!