Somebody has asked me to do something for them but this is the image, anybody know what sort of tool / gauge it is so I can try and find one to draw for them?
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Or you can use it as a g-clampOf course it looks like a micrometer, but it's really a very fine adjustable spanner.
Good to know that some engineering is still going on in the midlands.Yes I use them everyday micrometer
I was merely using the full title of the tool (unless Moore and Wright got it wrong when I did my apprenticeship 50-odd years ago).A vernier does the same job but a different piece of kit entirely.