Conquer the court with the ProKennex Q+5 Pro 100 310g! Engineered for hard-hitting, experienced players, this tennis racquet provides arm-friendly protection to support your fast and physical game. Kinetic QuadFocus Technology repositions the Kinetic chambers to all four corners of the frame, expanding the sweet spot for power and arm protection. Its extra mass provides greater stability at impact, more plow-through against heavy pace, and a heavier ball off the strings. Designed to dominate, the ProKennex Q+5 Pro 100 310g overwhelms your opponents! 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.