Dial caliper off a bit
I have a dial caliper that suddenly now shows to be at .003 instead of zero when completely closed. I understand that the screw below the bezel is supposed to be the adjustment knob to correct it but when I turn it nothing happens. Admittedly I don't know what I am doing since I have never had to adjust it before and have no instructions for it. I have had it for over 10 years and it has the Midway brand but was made in China. Am I missing something or do I just need to get a new one? I have checked it closely for dirt and debris and wiped it down as best as I could so it looks clean at least to me anyway.
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