These Fine-Tooth Blades precisely and accurately cut wood， plastic and soft metals such as brass， aluminum and copper. They are ideal tools for limitless cutting projects， are compatible with other Dremel tool accessories and they produce a clean finished cut - virtually eliminating any further finishing operations. For your safety and protection， never operate a rotary tool without the Gyros Guard Safety Shield when using cutting accessories contains 10 Blade + 1 free Mandrel use Mandrel 80 - 18100