Yonex Nanoray 10F Badminton Racquet is a lightweight 4U(80g-85g) badminton Racquet and is targeted for beginner and lower intermediate players who want to benefit NanoRay design for fast and controlled swing Racquet. It is an easy Racquet to play for any levels. The Racquet is pre-strung by the manufacturer and comes with a 3/4 headcover. It provides a fast and controlled swing with enhanced repulsion via the new Aero Frame. NanoRay is designed for players seeking to control the game with extreme speed and sharp movement.