Fuse box / loom connector pins?

I have a series 2 fuse box and…

I need to replace one of the female connector pins inside the connector block from the engine loom that goes into the fuse box, it's  a female that goes to one of the thin pins.

it's one of these:



Are these the right ones?:

http://uk.rs-online.com/web/search/searchBrowseAction.html?method=getProduct&R=3003620#header

Which size do I need?

If you take the old to Maplin or Halfords they should be able to say for sure.