Great string at a certain tension range. For me if strung below 57lbs there is a loss of control and the ball flies out on aggressive heavy topspin. If strung too high above 62 there is a loss of the strings great gut-like qualities. Find the correct tension for your racket and swing and it plays better than gut for me. It frays then breaks at around 10-14 hrs which is longer than most strings last for me.
I have been using this string for many years from Midwestsports. I love this string and am very happy with Midwestsport's service. Midwestsports, keep up the good work!