Heatsink Profile
 

Are all the heatsinks at Heatsinks USA 1" thick?

You missed the 10.080 x 2.675 one?

G²

I went through a few profiles and did not see anything larger tha 1" base and fins.

10.080" - HeatsinkUSA, LLC Store

note that what is called length may be what you understand as height

reason for calling it length is that they start with a raw length they cut up
so technically for machining its length

but when you build your box it becomes height

was that confusing enough :p

Of course it's the one profile I didn't check.

Thanks,

Vince