High-quality badminton shuttles, a set of AEROSENSA 600 and 500, totaling 12 pieces. - Model: AEROSENSA 600 - Model: AEROSENSA 500 - Quantity: 12 pieces - Brand: YONEX New retail price: Around 5000 yen These shuttles were used by a corporate badminton team for matches and basic practice. The feather numbers are mainly #4, with some #3 included. The image shows the 500 tube, but the higher-grade 600 shuttles are also mixed in! Grade A: No broken feathers, 4 shuttles Grade B: 1 broken feather, 6 shuttles Grade C: 2 or more broken feathers, 2 shuttles The above contents are evenly distributed into one tube. Still usable! Shipping will be via standard mail, so it will take several days to arrive. Thank you for your understanding!