Head Metallix 4000 Badminton Racquet Made of a specially designed matrix of carbon fibers and a new crystalline metal alloy Alloy's grain size is 1000 times smaller than that of a typical metal with the decreased grain size translating into increased performance and stronger material Strong, durable frame with minimal torque for more speed, power and accuracy Shaft: full carbon graphite with 2-piece molding Weight (unstrung): 87 g