http://www.all-for-tennis.com/198325/kirschbaum-black-shark-17-gauge/kirschbaum-black-shark-17-gauge-1-25mm-tennis-strings-reel-660-200m.html YEARLY 2017-02-16 1 http://www.all-for-tennis.com/205524/kirschbaum-black-shark-17-gauge/kirschbaum-black-shark-17-gauge-1-25mm-tennis-strings-reel-660-200m.html YEARLY 2017-02-25 1