Frame Material: 30T Japan H.M. Graphite Shaft Material: 30T Japan H.M. Graphite Frame Type: IPN (Inter Penetration Networks) Compact Quad Voltaic Grommet System: 76 Holes Shaft Diameter: 6.4mm Ultra Slim Shaft Weight: 85g /- 2g. (4U) BCP: 290 /- 3mm (Slightly Head Heavy) Flex: 9.0 (Medium to Flexible) Grip: G4 Length: 672mm Max Tension: 38lbs