After first re-stringing, these strings sound great. As I am quite a vicious mandolin player, I frequently snap strings. I buy these strings because regardless of whatever brand of string, i re-string before every gig to have a better chance of zero snaps during the set. As i need a new set each time, I don't want to be paying £7 per set for the other brands every time I have a gig. These strings have a great sound, can go a while without snapping.
Cons: The brightness is the first thing to go and is usually gone after a single gig / sweaty practice. Fast fret can help their life.
Been using these strings for 5 years and i've just ordered another 10 sets as they do what they say on the packet and are very reasonably priced. Recommend!