Thank you for viewing. This is a set of 6 brand new, unused Nagase Kenko soft baseballs, size A. These are official balls approved by the All Japan Soft Baseball Federation (JSBB mark). Although the A-ball standard has been changed to the M-ball standard, these are still usable as practice balls. Condition: New, unused Quantity: 6 balls Brand: Nagase Kenko (KENKO) Standard: A-ball (for general use, old standard) Other: Please understand that these have been stored at home before purchasing. One ball is unused but has a stain. Please check the photos 4 and 5. If you have any questions, please feel free to comment. Thank you. #NagaseKenko #KENKO #KenkoBall #SoftBaseballBall #Aball #Aball #Baseball #Ball #PracticeBall #JSBB