Karakal Hot Zone Badminton String. Karakal Hot Zone Badminton StringThe Karakal Hot Zone Badminton String is perfect for players wanting a powerful and ultra responsive string, featuring ultra fine multifilaments to the core that are compressed and braided with a high elastomer fibres for fantastic durability while the Nano elastomer resin finish gives a smooth surface for an enhanced feel and control.> Badminton string> Ultra thin durable multifilament> Ultra thin elastic multifilament> Smooth nano elastomer coating> 0.68mm diameter> 10m set