Heatsink/mount question

[MrDelsic]

Thoughts on THIS heatsink for a 2W diode? At that price, I can't believe the included lens is worth a darn, but would it be replaceable with a higher quality lens? I'm thinking about doing a knife edge project... Think this would be a suitable housing for a few diodes?

 

[Fracker]

Did you look at the size specs? I'm thinking its way too small for more than 1 diode.