Review on 📏 Precision at Your Fingertips: HanYan Protractor Degrees Stainless Goniometer for Accurate Angle Measurement by Joshua Coulter

When tightening the screw to prevent the swing arm from moving slightly, the pin becomes pulled out of the representation of the protractor body it useless. The force applied was just enough to prevent movement. I'll try spot welding, but that's probably not worth it and will most likely distort the metal. Not recommended if you want to fix the corner.