Weight (unstrung) 260 g / 9.2 oz String Pattern 16/19 Head size 690 cm² / 107 in² Grip size 0-5 Balance 345 mm / even Length 685 mm / 27.0 in Beam 23/26/23 mm Innegra™ Innegra™ is today the worlds lightest high performance fibre. Its extreme toughness together with HEADs advanced carbon composite technology leads to a novel ultra tough hybrid composite.