These Swiss made sawblades have uncompromising quality. They were designed specifically for use on hard metals such as platinum.
Blade number: #4 Blade length: 5-1/8"Blade thickness: 0.45mm Blade depth: 0.78mm # of teeth per inch: 38 Corresponding piercing drill size: #67 Note: Sizes are approximate.Best used on 16 -18ga metal.
Sold in a package of 12 dozen (144pcs). Jeweler's sawblades are packaged in bundles of blades that are wrapped in a thin wire. Believe it or not, but there are 12 blades in each of those bundles.