The Tecnifibre TGV 1.25 tennis string has been designed to provide superb playability & comfort. This multifilament string has a 45% Polyurethane inside that ensures maximum comfort & SPL (Silicone Pyrogene Lubritec) anti-abrasion coating for increased durability. The string is ideal for players with arm problems. The Tecnifibre TGV has a 1.25mm gauge & is available in a 12.2m (40ft.) set.