Comes with 2 of each color shown: (N, O, P, Q, R & S). 40% brighter than rhodium mirrors and more scratch-resistant. Reduces eye strain and fatigue. The lens is flush with the mirror frame, eliminating the possibility or corrosion build-up. Eliminates galvanic shock. Autoclavable up to 136°C/275°F. Contains Microban Antimicrobial Protection.