Laptop Drive Enclosure

What size external hard drive enclosure would I need to buy for a toshiba satelitte p105 hard drive?

We’re taking the hard drive out of the laptop because the laptop is not working, I want to buy an enclosure to put the hard drive in so we can get the files off before we have the laptop repaired. So how do I find out or does anybody know what size enclosure/case I would need to buy?
Can you elaborate a little more please? This is my first adventure into the world of hard drives

this one or one like it will work.

IF you need it right away, you can get one at Circuit City or Best Buys, but it will cost far more.

http://cgi.ebay.com/2-5-External-HDD-Hard-Disk-Enclosure-Case-USB-2-0-IDE_W0QQitemZ260200190643QQihZ016QQcategoryZ150129QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

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