
As an industrial and scientific researcher, I've tried COUNTLESS measuring tools, but this protractor stands out. The robust build ensures long-lasting use and is perfect for determining angles during construction, woodworking, and fabrications.As my tests showed, it can measure angles up to 180 degrees with great accuracy. The only con I could find was the lack of extra markings on the ruler, but it still gets the job done perfectly. Overall, a fantastic investment for anyone in the dimensional measurement field..