Firstly, you should be working on a dead circuit unless absolutely necessary.
For basic kit try this:
http://www.screwfix.com/app/sfd/cat/pro.jsp;jsessionid=FXSBIW5TB0WQ4CSTHZOCFFA?id=38866&ts=64822
There are loads of thing like this, have a look on ebay as well.
For chasing a into...