Tecnifibre Carboflex Airshaft 125NS For players seeking power and control, the Tecnifibre Carboflex Airshaft 125NS is your secret weapon. This squash racquet uses AirShaft frame geometry to provide a dynamic response and acceleration with every swing. X-Arms technology increases the strength of the structure for more stability. Enjoy better string movement and overall playability from the enlarged main and cross strings. Whether you're playing style is physical or creative, the Tecnifibre Carboflex AirShaft 125NS lets you take advantage. Racquet technology AirShaft frame geometry provides a dynamic response and improves racquet acceleration. X-ARMS to strengthen the frame for more stability and power. Extended String Holes improve string movement and overall playability.