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