The tecnifibre tgv 140 tennis string is ideal for players with arm problems and for those looking for excellent touch and feel the tgv is a multifilament string that utilises a 45 polyurethane inner core for superb comfort and spl silicone pyrogene lubritec anti abrasion coating for enhanced by up to 40 durability the tecnifibre tgv has a 140mm gauge and is available in a 122m 40ft set