Description: X-FULLERINE combined with SONIC METAL produces a fast and controlled swing that generates powerfully accurate, rapid-fire shots. Level: Advance Item Code:NR800 Type: All Around Flex: Stiff Head: Square/Isometric Weight: 80-85gm(4U-) B.Pt: 4 (Head Light / Even Balance) Head: High Modulus (H.M.) Graphite, Sonic Metal Shaft: High Modulus (H.M.) Graphite, X-Fullerene Cover: Yonex Full Cover