This is the so called script to have the Golden wrench weapon (secret but no so secret lol)
IT CAN ONLY BE USED IN OFFLINE, unless some server have this.
HOW TO GET IT:
Link to the thingy: http://www.mediafire.com/?nkb5rjztzw2
You must put in Steam/steamapps/USERNAME/team fortress 2/tf/scripts/items
This will make your Natascha disappear and your Golden wrench can be used.