Black Friday Special! Buy 2 Sets of Head FXP Tour Tennis String and Get 1 Set Free!! (Valid Nov 21st to Nov 29th Only) The core is made of 4 monofilament parts for reduced vibrations and increased dampening. This unique construction is surrounded by multifilament layers which lead to a soft feeling and minimal tension loss for superior power and comfort. - Length 12m/ 200m - Gauge 16g (1.30 mm) - Colors: Black or Blue Head Tennis String 281202-B2G1