Babolat Pure Drive Cortex Tennis Racquets Babolat Pure Drive Cortex Tennis Racquets is available in 4 1/4, 4 3/8 , 4 1/2 , Babolat Pure Drive Cortex come with babolat racquet cover, unstrung The racquet that revolutionized player's racquets is now updated with Babolat's Cortex technology. Located just above the handle, Cortex is designed to reduce harmful racquet vibrations without filtering out the feedback required for feel. The result of filtering unnecessary vibrations is what Babolat calls a "pure feel." On court the racquet plays just like its predecessor, the Pure Drive Team Standard, yet offers a more solid and comfortable feel at impact. The racquet is light enough to generate good racquet head speed, yet still offers above average stability and excellent comfort from the baseline. Just like the Pure Drive Team Standard, this one is an excellent match for aggressive players who like to hit with lots of spin and pace. Included is a Babolat grommet technology called the Woofer System - designed to cushion the impact of the ball on the strings, making for a comfortable feel over a wider impact area. Offering excellent performance from all areas of the court, there's no wonder why the Pure Drive racquets have gained a huge following. This one is a solid choice for 4.0 players all the way up to the pro tour ranks. Head Size: 100 sq. in. / 645 sq. cm. Length: 27 inches / 69 cm Strung Weight: 11.2oz / 318g Balance: 5pts Head Light Swingweight: 325 Stiffness: 70 Beam Width: 22-25 mm Composition: Graphite / Kevlar Power Level: Low-Medium Swing Speed: Moderate-Fast Grip Type: Syntec Grip String Pattern: 16 Mains / 19 Crosses Mains skip: 8T, 8H Two Piece No shared holes String Tension: 50-66 pounds