The tecnifibre tgv 130 tennis string is ideal for players with arm problems and has been designed to provide excellent touch and feel this multifilament string has a pu 400 inner core that ensures superior comfort and spl silicone pyrogene lubritec anti abrasion coating that enhances durability by up to 40 the tecnifibre tgv string has a 130mm gauge and is available in a 122m 40ft set