As well as the 10mm wrench, you may find it useful to have a 1cm spanner.
Or a metric Crescent wrench.
I know this is really tangential, but one of my favorite lines from cartoons as a kid was from an episode of Pinky and the Brain and it included this kind of wordplay.
Their plan included forming a grunge band, which they called "Frog the Dry Widget" (a play on Toad the Wet Sproket).