YONEX NANOFLARE 1000 ZZ PRO 4U Badminton Racket – Lightening Yellow (UNSTRUNG). Made in Japan. Enhanced with the NANOMETRIC DR technology for ultimate power and precision, and developed from space-age material, this badminton racket features an AERO Frame and smoother contours for optimal shuttles and minimized wind resistance. Experience maximum shuttle hold and repulsion at the professional level with this badminton racket.