Anyone have any familiarity/opion of any of these?

[stainless]

Digitech X series Turbo Flange

Rocktron Hypnotic Flange

G F Angular Velocity "Florus"

Eagleton Flange (which looks a lot like the G F)

I'm shopping for a flange pedal

anybody have one and interested in Boss delay (D-... hell don't remember which one it is... don't use it)