Victorinox Penknife Pal Alox Silver - £8.99

[drowso]

http://www.7dayshop.com/victorinox-penknife-pocket-pal-alox-silver

Thought this was a pretty decent price. Never used the site myself though, can't vouch for them.

 

[Lyope]

I've bought loads of stuff (mainly photography consumables) from them and they're great. Don't expect to get anything in a hurry, though - the 7 Day thing is about right...