Review on Johnson Level Tool Structo Cast Sliding: A Premium and Reliable Precision Measuring Instrument by Kevin Apriando

I bought this simple goniometer to help me cut my oral hygiene school models. I got frustrated looking at each side while trimming and couldn't even catch the angle of each side to save my life! It helped me to "measure" my first cut and just flip it to the other side! Points passed and I'm so happy! As other reviewers have mentioned, no sizes are listed, but it's great for what I need it for and as a ruler!