Great work. I work with a couple firemen and thought about asking them if I could try making these for them to drum up some more business. Glad you did this video
#346 for the top thread. I like to use a little bit thinner thread for the bobbin so I have #277 on it. The needle I had to go check. The one I am currently using is a size 26 spear point needle. I have also used size 25 with that thread combination.