Need something for my son at home for his math homework. We had one from the same company with a mustache and it was complete junk so we wanted something more useful, not plastic. It looked like it would work and it was metal. So we tried. I like that unlike the others we've used which are the standard arc shaped plastic angles, the angle is easy to draw with a protractor placement and a pencil line. The thumbscrew is tightened for the people who need it to keep it stable during use. I was concerned that the size would be a little uncomfortable, but it turned out not to be. Unbeatable for the price, the best protractor I've ever had.
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