Black Knight Hex Force 360 S4 Badminton Racket (Unstrung)The Black Knight Hex Series badminton racket 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 round shafts. SPECIFICATIONS Weight: 4U ~80g Overall Length: 67cm Balance: Head Heavy