Hello router`-beginner - with the router bit set - Superior you can not only super care for your natural nails, but also still super fast your gel, acrylic gel or acrylic modeling abtragen. In the Burr Bit Set - Superior you will find three bits for removing gel, acrylic gel and acrylic and seven bits to work on your natural nail and cuticle. The Burr Bit Set - Superior includes: - Diamond Bit - Ball small - fine - Diamond Bit - Ball medium - medium - Diamond Bit - Pear small - coarse - Diamond bit - pear - coarse - Diamond bit - cone long - very fine - Diamond bit - cylinder rounded - coarse - Tungsten carbide coated bit - pear - coarse - Tungsten carbide coated bit - pear small - coarse - Tungsten carbide coated bit - cone - coarse - Rotating brush