Precision Ground Tooth Blades These are premium blades, precision milled, set and hardened for outstanding performance and durability in any scrollsaw. Their razor sharp teeth cut faster, smoother, and more accurately in both straight and radius cuts. A unique tooth geometry and widely spaced gullets minimize burning and provide rapid chip removal. They are made of the finest carbon steel for maximum strength, durability and longest blade life All are 5 inches long, with plain ends.