The Larsen Aurora cello string set delivers the ideal balance of brilliance, warmth, breadth and focus to players of all levels. Develop your skills and perform confidently with professional quality strings at an accessible price. The strings in the Aurora cello set have a solid steel core and a ball end, with the A and D wound with a corrosion-resistant alloy, the G wound with nickel, and the C wound with tungsten. They come in multiple tensions.