HEAD Graphene Prestige Pro Tennis Racquet - Unstrung The Prestige Pro gets updated with a slightly stiffer frame but maintains the same control, accuracy and connection to the ball that has made it a best seller. Head Size: 98 sq. inches / 632 sq. cm Length: 27 inches Strung Weight: 11. 7 oz. / 332 grams String Pattern: 16 Mains x 19 Crosses