[These tools were made with the skin of his enemies! Don't lose them.

They're actually Dalekanium and made out of hull bits left in the TARDIS. He knows Jesse's graduated but by god he's giving him a toolbox and set that can stop bullets.]

I'm not sure about whenever. You can ask about whenever. I know a warden that returned to a spot in his past to relive a favorable time period in his life.