As a journeyman locksmith with 40 years of experience, I know my way around indicators very well. As with most things in life, you get what you pay for. This is an average street value that performs very well considering its price. It's not on par with the Teclock, which I think would be the next step up in quality if that's what you're looking for, but at this price point the Fowler is hard to beat. Unscrew the 4 screws on the back (one by one) and fix them with Loctite. They will eventually loosen up if you don't, and the face will move towards you. You don't want that if you're trying to maintain strict tolerance.
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