Originally Posted by sansaephanh
Get rough17 if you want a 18g. round 16=16. round 17=17. rough16=17, rough 17=18.
Great strings imo, but if i'm going to try low tensions i want something stiff.
That's why my first suggestion was Silver, not blue. It's stiffer.
There appears to be less difference between rough and round in the Silver than there is in the Blue.