Review on Accurate and Easy-to-Use General Tools 828 Digital Protractor for Precise Angle Measurements by Brandon Woodson

Seems accurate and reproducible. Looks well made and sturdy. However, there are a few areas for improvement. First is the location of the buttons. The buttons are located exactly where the fingers stop during use. This makes it too easy to hit the zero button when the blade isn't in the base, resulting in wild readings. It's also too easy to hit the lock button and think you're getting consistent readings when the gauge is actually locked to one value. I don't know if a cover can be designed to protect the buttons from accidental presses or if there is another solution. The second point is a kind of special case, which caused me difficulties when using the device for the first time. The geometry of the round (folding) end can complicate the measurement when the components are in a tight spot. I am restoring a wooden driftboat and wanted to trace the angles on the ends of some of the ribs that I will be replacing. It just wasn't possible to squeeze the body and blade tightly against the ribs and sides and squeeze the device tightly against the top of the corner. Overall a big improvement over the traditional sliding T-Slope for measuring and recording angles in most cases. Still, there is still work to be done before it becomes a five-star tool.