Some to ID please!

[bucket2]

These could be tricky but help would be appreciated!
1) Premium Link Upgrade
2) Premium Link Upgrade
3) Premium Link Upgrade
4) Premium Link Upgrade
5) Premium Link Upgrade

 

[fkknuckle]

#2 and 5 are smokin' hot.

 

[bucket2]

I agree i think they might be impossible to id though...