Great that HMS has them now. Previously only 2 vendors had them in stock (as singles) regularly that I could find, stringsbymail.com and juststrings.com. Otherwise, you can get the FULL 6-string classical guitar sets in quite a few places for the CF127 or the CF128 which has a wound '3rd' or 'G' string in classical guitar, and THAT is the CF27 or 0.027" string mentioned here. Elderly, Amazon, and about a dozen others all sell the full sets online. I use them on 3 of my guitars.
But seriously . . . OP, how would you describe these strings, and their likely best use? I've heard the name, but don't remember anything about them.
If you search the forum for 'Thomastik' you will find threads going back at least 3 yrs ago, with fellow UU brother OldePhart (John) singing their praises back then. Many discussions have happened since where folks tried and liked them better than other smooth-wound string options...these are
CHROME FLATWOUND with a stranded silk core, and somewhat different in feel and composition than other supposed 'squeakless' strings.
About 1 yr ago, I received a PM from Chuck Moore, thanking me for talking about how
much I liked them as
often as I did here on UU, and since my talking about them had inspired him to try them, which he was very happy with, and now with them having the Moore Bettah 'seal of approval' it seems that the word is spreading even faster and farther that these are great strings.
They are used for low G with a wound 3rd and 4th string. They have a very balanced sound and nice feel with an almost totally squeekless nature.
Yes, I agree, just to add that...
The CF30 is usually for the low-G and the CF27 is good for a wound-C.
Similarly, on a linear tuned baritone, MANY folks enjoy the use of the CF35 for the low-D and the CF30 for the G string.