Babolat Vibrakill is a vibration dampener for tennis rackets. - Brand: Babolat - Model Name: Vibrakill - Type: Vibration Dampener Please refrain from purchasing if you are looking for a perfect item, as this is a USED item. Shipping will be via regular mail (no tracking or insurance). If you prefer anonymous shipping, we can accommodate this for an additional ¥100, so please comment. Use: Hard Court Type: Racket Accessories Details: Vibration Dampener