Head Size 645 cm / 100 in Length 685 mm Weight (unstrung) 300 g +/- 7 g Balance (unstrung) 320 mm +/- 7 mm Swing Weight 290 Stringing Pattern 16 / 19 Stiffness (RA) 69 +/- 3 Section 23 / 26 / 23 Composition Graphite Recommended String RPM Blast / RPM Rough Tension Recommended 50 – 59 lb Recommended Grip Syntec Pro Strung / Unstrung Unstrung