Iso Speed ​​Black Fire S 200M

The ISO-Speed Black Fire Set is a durable multifilament string that offers the optimal combination of comfort, control and durability. A definite recommendation for players looking for a string with high ball speed and control.

The outer layer of this string consists of very elastic ''Power Ribbons'' that mimic the elasticity of natural gut. The core of the string consists of multiple filaments that provide very good ball acceleration combined with exceptional control.

This string is available in different thicknesses. The thinner the string's diameter, the more elastic the string is, giving you more feel and control. The thicker the string's diameter, the stronger and more durable the string is.