The Tecnifibre TGV 1.40 tennis string is ideal for players with arm problems & for those looking for excellent touch & feel. The TGV is a multifilament string that utilises a 45% Polyurethane inner core for superb comfort & SPL (Silicone Pyrogene Lubritec) anti-abrasion coating for enhanced by up to 40% durability. The Tecnifibre TGV has a 1.40mm gauge & is available in a 12.2m (40ft.) set.