Power meets precision with the ProKennex Q+15 105 285g! This tennis racquet provides ample power and arm protection to help you play longer. Kinetic QuadFocus Technology repositions the Kinetic chambers to all four corners of the frame, expanding the sweet spot for power and arm protection. Unleash heavy spin and easy depth from the baseline, while the extended length adds pop to your serves. Stay quick and confident at the net with the oversized sweet spot. Balanced for power, built for precision, the ProKennex Q+15 105 285g lets you play fast during the match! Racquet Technology QuadFocus System: Repositions the Kinetic Energy Chambers at four corners of the frame, increasing torsional stability in the hitting area. Advanced Timing System: Stores energy during your swing and releases it at impact, ensuring a smooth energy transfer. Active Damping System: Reduces both the intensity and duration of unwanted vibrations, providing a soft, stable and precise feel.