BLACK KNIGHT HEX-FORCE 360-S4 BADMINTON RACQUETSpecifications: String Tension: 22 18LBS. Weight: 80G. Balance: Head Heavy Speed: 9. 2 Power: 9. 3 Control: 9. 5 The Hex Series models uses Super G reactive graphite in a micro woven matrix to generate faster frame recovery when flexed. The Hex frame uses its hex angularity for a stiff, aerodynamic swing that produces faster swing speed and more powerful hits. The shape also provides more lateral stability and resistance to torque than conventional