Ratchet reverse clamp/separator tool?

[Yaayuh!]

I need some sort of separator tool, ratchet kind.

Like this: http://www.screwfix.com/c/tools/spr...sLgDGqB8LhmLS3kJS1m6Y1z3M1rS12B0v1!1636148338

But to separate, not clamp.

Any ideas where i can find one?

 

[Yaayuh!]

This looks like it can do the job...

http://www.diy.com/nav/fix/handtool...ce-Clamp-and-Spreader-11247660?skuId=11758365

Open to other suggestions.