The tecnifibre tgv 130 tennis string provides superb touch and feel and is ideal for players with arm problems the string has a multifilament technology that composes of a pu 400 inner core and the spl silicone pyrogene lubritec anti abrasion coating the pu 400 reduces shock and vibration to provide maximum comfort while the spl coating increases durability up to 40 the tecnifibre tgv string has a 130mm gauge and is available in a 200m 660ft reel