12-packs of 5in. long premium quality Metal Piercing Jewelers Saw Blades have extremely fine teeth. Made of hardened and tempered steel for sawing metal and other hardened materials, all blades are 5in. long and have regular teeth. These blades are most commonly used by jewelers. Use with hand held frames only.
Choose the blade that best suits the thickness or gauge of the material being cut. The blue and white chart has recommendations. The ideal ratio is 3 teeth on the materials at any time. A B & S gauge can measure the thickness if you are not sure.