Pirastro Evah Pirazzi Gold Cello StringsThe Pirastro Evah Pirazzi Gold Cello Strings are some of the best available. They are becoming an industry standard due to their consistent and brilliant tone throughout the whole range of any instrument. Features: The A and D strings have a high tensile steel core and are wound with a precision chrome steel flat wire, while the G and C strings have a specially designed steel rope core with a top quality tungsten winding. The elegant sound of the new