GREATER MANEUVERABILITY, STILL A PURE DRIVE! Cortex System FILTER Filters out vibrations which interfere with feel in order to enhance the feel of the ball Head Size 110 sq. in. 710 sq. cm. Length 27.5 inches 70 cm Weight 9.3oz 265g Strung Weight 10.1oz 286g Balance 5 pts Head Heavy Swingweight 327 Stiffness 64 Beam Width 27 mm Straight Beam Composition Graphite ZYLON Power Level Medium High Swing Speed Moderate Grip Type Smart Grip String Pattern 16 Mains 19 Crosses String Tension 51 57 pounds