Vs Touch 17g, 1.25mm, 40ft, best natural gut for performance, feel, comfort and control, manufactured of special selected beef casings since 1875 in France. Used by Roger Federer in his Wilson PS tennis racket, Hybrid stringing, VS Team mains, Alu Power crosses to great effect. For longer life and better performance brush VS team string bed with gut oil or baby oil. VS Team natural gut should not be used in wet weather conditions as it will damage the string. Do not leave a tennis racket strung with VS natural gut in your car boot in extreme weather conditions, that will ruin the strings and weaken the racket. Made in France.