Genesis Spyder Super 8 Set Gauge:16L Signum Pro Firestorm is a

Signum Pro Firestorm is a high-tech co-polyester string which offers maximum durability

This versatile bag offers ample space for up to six rackets

The next-generation hexagonal co-poly string that redefines durability

Created for the Clash collection but we think this one works no matter what racquet you call your own

Introducing Genesis NEW: After a year of dedicated work

Genesis Spyder Super 8 Set Gauge:16L Signum Pro Firestorm is aThis String results from years of testing materials to create the ultimate playability string. Finally, we have here something quite impressive: combining so many great high keys in one string was impossible before today! This string will revolutionize tennis, make you feel better on the court, and achieve higher results. Only one string combines durability with power, spin, and tension. Stability: Spyder Super 8.