All in one set. In the Burr Bit Set - Supreme you will find three bits for removing gel and acrylic gel, as well as seven bits to work on your natural nail and cuticle. - For removing gel and acrylic gel - For working on natural nails and cuticles - Ceramic bit - pear - fine - Ceramic bit - pear - medium - Ceramic bit - pear - coarse - Sapphire Bit - pointed small - medium - Sapphire Bit - Pear pointed - fine - Sapphire Bit - Ball medium - fine - Sapphire Bit - Pear medium - fine - Corundum Bit - Cone medium - fine - Silicone polishing bit - cone - coarse - Rotating brush