HEAD Instinct Adaptive Kit Stored at home. There is some damage to the corners of the outer box due to storage, but the parts inside are like new! This kit is used for customizing HEAD tennis rackets, especially the INSTINCT series! It includes parts for adjusting the balance and swing weight of the racket. You can expect improved performance by customizing the racket to better suit you! We will ship with waterproof packaging. Anonymous shipping. We are committed to careful packaging and prompt shipping! *Notes ・There are individual differences in how people perceive the condition of the product, so please understand that it is a "used item" and refrain from purchasing if you are nervous or looking for a perfect item. • Returns and refunds are not accepted to prevent switching and trouble. • Please check the photos and make your own judgment on the condition. *If you have any questions, please be sure to contact us in the comment section before purchasing.