I have also thought a lot about what tools to bring along and the weight vs. need analysis. I work a lot with tools and I know the importance of good tools and not making due with makeshift tools in the shop. But then I also don’t want to haul along a 10 pound tool kit for fear of rounding over a nut I can easily replace. I like things that have lots of uses and are of high quality and reasonably small and light, like my bike multi tool and my leatherman tool. I carry a cassette socket but then again what do you use to turn that. You can improvise a chain whip a number of ways but a wrench is a bit harder.
I was going thru some tools I have the other day and found something that was a gift quite a few years ago and was seldom used because it did a lot of things but I had single use tools that did the same things and were easier to use in the shop setting where many tools isn’t a problem. I got to thinking on tour how useful this might be and I will toss it out for you to think about weight vs. useful. If you have a nut you didn’t want to damage, a single socket carried with a couple flats ground on it like my Cassette socket has could be easily held with this tool. Having all the other features on it could be useful alone or used in conjunction with a leatherman tool for all kinds of tasks. I carry spare spokes as much for having a tough wire along if needed to fix something as to use as spokes when needed. Or you can many times find a coat hanger, but you need a way to cut and bend it into something.

Just an idea link below.

http://wiki.multitool.org/tiki-index...ge=6LC+Toolbox