I've tried to use these frequently and had nothing but problems with them. I can crack a new pack and for certain one of these is going to break. If you use a floyd trem don't even think you can use these, but they might be suitable for non-trem'd guitars. I am also a very light precision type player and don't really put much balls on them, so them breaking under my use is pathetic. Get D'Add's or something better.. they're cheaper and make a good string. If you decide you need these buy 3-4 extra E 10 strings because they're all going to break..