ProKennex Ki Q+ Tour Pro (315) 2021 With a classic shape, narrow frame profile and a Quadfocus design, the ProKennex Ki Q+ Tour Pro (315) 2021 is a deadly weapon for shot makers. This highly maneuverable tennis racquet uses a vertical string bed to add power and bite to the ball. Its sturdy weight and 16×19 string pattern create an ultra-stable frame. Enjoy unrivaled arm comfort and protection from the Kinetic System. For advanced players who want to work the court with spin and pace from all angles, the Pro Kennex Ki Q+ Tour Pro is an elite option. Racquet Technology Kinetic System: provides energy return and arm friendly comfort on every swing. Spiral Tech Carbon: graphite construction guarantees maximum shock absorption and playability of the frame. Quad Focus design: places the Kinetic Energy Chambers in the most efficient position to create a larger sweet spot. Ionic Technology: absorbs shock and reduces vibrations to give players maximum power and control.