This adjustment tool has revolutionized my workshop! Thanks to my knowledge gained in practice i was able to make the Letaclanic Stainless Conversion Measuring ADJUSTER work to its full potential. Its versatile, providing me with multiple measurement options, and accurately measures even the most complex dimensions. The only con I can think of is that it's a bit pricey, but it's worth every penny for the precision it offers. Overall, a great investment for any serious craftsman or engineer....See full review