To be honest, I told the computer company that gave me this that I didn't think it was recoverable. You will see why in a minute, but I did one like this a few years ago for BT and it went really well so I spent some time on this one. Lets have a look..
If you are used to my rambles and pictures you will recognise this as the inside of a hard drive and the heads that read the data resting on the ramp, we can see in the image below that the heads are bent and not sitting pretty like they should be. Every data recovery guy would make a screwed up face looking at this but old hitachi drives (and the new HGST) desktop ones can take quite the kicking so this one may be ok.