http://www.all-for-tennis.com/267672/black-luxilon-tennis-string-alu/black-power-rough-luxilon-tennis-string-660ft-1-25mm.html YEARLY 2017-06-12 1 http://www.all-for-tennis.com/268074/black-luxilon-tennis-string-alu/newest-black-power-rough-luxilon-tennis-string-660ft-1-25mm.html YEARLY 2017-06-15 1