Hard Drive Caddies

[Workaholic]

Hi, at the moment I am using IDE Hard drive caddies to swap over my hard drives for different purposes eg. gaming, work etc.

However by working in an electronics retailer I have noticed that these can vary in size.
If I give you the dimensions of the one I am currently using, could you tell me which one would be suitable...

[Workaholic]

Anyone?
If at all possible could you get me the internal dimensions of LN2815 because if it is compatible with the current ones I have, I'll buy 5 or so.....