Checking the squareness (perpendicularity) of squares and other items/parts that require a 90 degree angle? This thing will not tell you how much the deviation is however.
I can't tell exactly how large it is, but it might make a good paperweight. Honestly though, I've been hanging around surface plates for a long time and I've never seen one of those.
I can't tell exactly how large it is, but it might make a good paperweight. Honestly though, I've been hanging around surface plates for a long time and I've never seen one of those.
Oh and by the way Jim, from this link that Stij just posted, I can see why now you recommended me to get the 360 bevel protractor instead of the other one.
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