ARCSABER racquets store up energy during the shot, allowing you to attack with pinpoint accuracy. For players seeking a higher level of control * Increased durability and improved flexability allow the frame to return back to its original shape faster. Positioned at the sides of the racquet, CS Carbon Nanotubes improve the frame"s elasticity. * Z-SLASH WORLD RECORD SMASH SPEED 421 km/h * ARCSABER Z-SLASH: The challenge of achieving Zero air Resistance. * The first racquet from YONEX with a compact frame. The smaller frame size further reduces unwanted air resistance and improves feel.