The Tecnifibre TGV 1.40 tennis string has been designed to provide superb touch & feel & is a perfect string for players with arm problems. This multifilament string composes of 45% Polyurethane inner core that provides maximum comfort & a SPL (Silicone Pyrogene Lubritec) anti-abrasion coating that increases durability by up to 40%. The Tecnifibre TGV has a 1.40mm gauge & is available in a 200m (660ft) reel.