http://www.all-for-tennis.com/214343/head-metallix-4-os-107-power-ser/head-metallix-4-os-107-power-series-racket-4-3-8-grip-designed-in-austria.html YEARLY 2017-03-11 1 http://www.all-for-tennis.com/194261/head-metallix-4-os-107-power-ser/head-metallix-4-os-107-power-series-racket-4-3-8-grip-designed-in-austria.html YEARLY 2017-02-07 1