Information HEAD Tour Tennis Ball: 4 Ball Can The iconic HEAD Tour Ball – preferred by Andy Murray for its liveliness and ability to reach maximumspin and control – now comes with additional and unrivalleddurability. The Flagship of HEAD’s tournamentballs with new EncoreTM technology and SmartOpikTMfelt for greater visibility.  Price is for one 4 Ball Can All prices are GST exclusiveSKU: TENTOUR4