Volkl Organix 10 26-Inch Junior Tennis Racquet (Grip size 4) Featuring high-tech graphite construction, the Volkl Performance Junior Series offers superb stability, vibration control and awesome power. Featuring the Vibration control handle for the BEST vibration control and shock dampening in its class This is the perfect racquet for the junior player looking for their first "performance" junior racquet. The Volkl Junior Performance Racquets are the only Junior Performance to feature full handle dampening systems.