spring strap-are they interchangeable?

[Scotttyd]

I was looking at spring straps, are the different companies fins interchangable with most fins?
This style
Blue Reef Stainless Steel Pro Fin Spring Strap - Pro Diver, Black from LeisurePro.com

looks as if it would slide over the post on my current fins, are these post/mushrooms/what ever you call them, a universal size? If they are, why is there such a large variety of prices for similiar items?

 

[Scotttyd]

oh and by the way, wear XL fins with size 11 seasoft booties (really thick heals), would I need a large of XL size?

 

[jimdiverman]

The one I have bolts together so if I wanted to upsize or downsize, I could leave the brackets on the ends, and just connect the different length spring strap. It may depend on the model that you have.

 

[Scotttyd]

Any advantage/disadvantage to having a quick release? Is it any more likely to fail that the original quick release?