Thank you for viewing. I do not have detailed information about the product. I also do not know the period of use, but how about this as your first bat when starting junior high school hardball? Manufacturer: Xanax, for junior high school hardball Size: 82cm, approximately 800g? There is a feeling of use. Grip tape has been replaced. Although there is a feeling of use, there are no dents or cracks on the hitting surface. Please understand that this item has been stored under amateur management, and we are looking forward to your purchase. Also, the packaging for shipping will be simple.