The tecnifibre tgv 140 tennis string has been designed to provide superb touch and feel and is a perfect string for players with arm problems this multifilament string composes of 45 polyurethane inner core that provides maximum comfort and a spl silicone pyrogene lubritec anti abrasion coating that increases durability by up to 40 the tecnifibre tgv has a 140mm gauge and is available in a 200m 660ft reel