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BG145796222 27/06/2022
Pros: The machining on this rule is quite remarkable - the very fine gradations are perfectly cut. Obviously high quality. Scale markings are clear and well-defined, although with my dodgy eyesight reading fractions of a millimetre will be challenging! Cons: The blade of this rule is extremely thin - 0.28mm according to my calipers. With the numerous perforations it's going to be fragile and easily bent or damaged, so care when handling is required. However, I knew this before I ordered it, and to fulfil its function it really has to be this thin to provide the accuracy of which it is capable - so not really a 'con', just a caveat. Don't chuck it around or sit on it! The blade is fixed to its base with two knurled brass screws. If these are removed, the blade comes free. They don't provide any adjustment per se, but if loosened slightly the blade does wobble a bit as they are not a tight fit in their locating holes. This means the setup must be checked before use, both against a known square, and also a known scale. The variance is 'only' a millimetre or so, but if precision is required, then so is a proper setup. Not sure why the blade isn't permanently mounted? Maybe a perfect accuracy would be too difficult to acheive at a reasonable cost in manufacture, so a tiny degree of adjustment gives the user the opportunity to set it to their standard. Packaging - the rule is contained in a thin plastic blister pack. This was simply put in the ubiquitous grey plastic bag, which was a bit torn. Slightly worrying for such a delicate bit of kit. Fortunately it was undamaged, but its something that Banggood could think about improving. Conclusion: An amazing piece of modern precision manufacure. I've had many 'inexpensive' Chinese products over the years, some of which were truly diabolical in quality/reliability. This is not one of those - it's a well-made precision instrument. Just handle it with care.
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