Originally Posted by
winegeek819
yeah, they're metal-- chromed, even. very pretty, which is why i was/am loath to take a set of channel locks to them. i'll check at my LBS. thanks for the advice!
If they're metal go for it.....if they dont loosen with light to moderate effort stop. Becasue they're metal and screw into aluminum you can try running super hot tap water on them for a minute or two. The different expansion rates of aluminum and steel may work in your favor.