I use them for about 3 days.

I like the stiffness of the rope (rigid but elastic)
I hate the metals they produce are. And that's why I do not buy more Jammes.

Very good string, but for about the same prices may have Ernie ball (my favorites) and I will immediately change to the Ernie Ball Super Slinky
same size as this one.

The money is excellent RAPORT Iroquois string guitar that is not too expensive (by a elexire)

Audio fanzine demmande if I raferais this choice with the experience and I answer without eSite Jammes. I prefer no doubt Ernie ball super slinky