If you click on my avatar, it "should" bring it up bigger. And to your second statement, They can't get here fast enough!!!
12-16 chains would fit in the little tool box, unless you have a lot more tools with you. I have extra 20" chains only (forgot i got a 28" for Christmas) and havent had to use the extra in quite some time as ill sharpen in the field unless a drastic dulling ie dirt/nail etc