THIS IS A WILSON NSIX-ONE26 RACQUET.    I DO NOT KNOW ANY SPECIFICS, EXCEPT WHAT  IS LISTED ON RACQUET ITSELF.    I DID FIND ONE  WEBSITE THAT IDENTIFIED  IT AS A JUNIOR RACQUET.    I DO KNOW THAT IT FEELS SUPER LIGHT COMPARED TO WHAT I USED IN MY YOUNGER DAYS. (30+ YEARS AGO - IYMK)IF YOU HAVE QUESTIONS, PLEASE  CONTACT ME AND I WILL TRY TO ANSWER.    I HAVE ACCESS TO SHIPPING ONLY ON MONDAYS AND FRIDAYS. ONCE YOU RECEIVE YOUR ITEM, IF YOU WILL (PLEASE) EITHER CONTACT ME TO LET ME KNOW ALL IS WELL, OR LEAVE POSITIVE FEEDBACK, THEN I WILL PROMPTLY LEAVE YOU POSITIVE FEEDBACK.