The dunlop s gut 130mm tennis string set offers a good value for money enabling the player to use it for re stringing one racket this multi filament string ensures an all round playability and durability and has a gauge of 16 130mm the string consists of a compressed mono filament central core a mono filament dyna tec fibre coil and highly elastic twisted mono filament outer wraps that ensure an excellent power it also features a pu outer coating for enhanced durability the string set i