Wilson H2 Adult Recreational Tennis Racket - Grip Size 2 - 4 1/4, Grey/Black Pre-strung; Graphite composition provides excellent mix of control, feel and power with strong construction; C-Matrix Technology creates superior stabilization for a smoother swing Oversized head ...Wilson H2 Adult Recreational Tennis Racket - Grip Size 2 - 4 1/4, Grey/Black Pre-strung; Graphite composition provides excellent mix of control, feel and power with strong construction; C-Matrix Technology creates superior stabilization for a smoother swing Oversized head generates impressive power and added forgiveness with enlarged sweet spot Perforated grip aids moisture absorption Lightweight, head-heavy frame provides easy power and arm-friendly comfort Featuring a remarkably lightweight frame with a significantly head-heavy balance, the new H2 summons ultimate Wilson Hammer fans from across the globe. Comfortable, smooth power is the name of the game for anyone swinging this racket. Innovative C-Matrix Technology stabilizes the incredibly lightweight frame upon contact with the ball, giving players a mix of smooth feel and impressive power at a weight that is nothing if not arm-friendly.