Super Slicer blades are a great replacement for Pro-Slicer blades,made with the strongest spring steel, super tough nickel alloy bond and maximum diamond concentration. cuts twice as fast as ordinary blades, and with little effort you get the thinnest cuts available. They are thin-core fast-cutting blades.These Diamond Super Slicer Electroplated Diamond Saw Blade,electroplated sawblades use a specialized electroplated process to give you the best quality. They are the thinnest blades we offer and make clean, thin cuts. These sawblades are designed for cutting a variety of stone, most suited for sapphire, ruby and emerald. Recommended Operating Speeds Below are the recommended operating speeds for these diamond sawblades. Abide by these speeds to enhance the performance and life span of these blades.