Try this:
3/4 = 3 divided by 4 = 0.75
0.75 x 25.4 (mm in an inch)
= 19.05mm
There are a few that will be close like that. Crunch the numbers for the sockets you do have and you'll soon know.
Nice work guys! I was at a stag do in the weekend and one of the guys had made his out of a bolt from the landing gear of a C-47 Dakota. Jealous!! I wish I'd thought of that as I'm a helicopter licensed A&P myself. Might have to lose my ring again!
We have stainless and wooden work surfaces at my workshop. Stainless looks good new, bad with one or two scratches, and fine again with enough scratches to give it character. Same with wood I'd say. Now to the important stuff...
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