Yonex ArcSaber Tour 6600 Badminton Racket (Unstrung, Black/Green) developed on Nanotechnology. With advanced technology, NS 6600 is more durable and powerful badminton racket. NS 6600 is a lightweight racket which gives fast swing. This series of rackets is suitable for fast movement and quick maneuverability.NS 6600 is powered by Nanotechnology in which fullerene provide more repulsion and speed.Nanospeed uses Nanoparticles for binding the fullerene and carbon which give thinner, compact and durable shaft. YONEX, the leading brand in badminton equipment manufacturing and most innovative company in racket sports produce quality badminton rackets for professional, advanced and entry-level badminton players.