This kit was purchased specifically to measure a small amount of liquid paint using a 10ml cylinder which should be more accurate than cups. It turns out that the graduations are NOT properly aligned, and filling the barrel with exactly 10ml of water from a more accurate medical syringe shows the readings are below where they should be. Strangely, everyone else seems fine, but a couple of blue ink cylinders wear out in a matter of hours. Luckily, all items have physical indentations or bulges for graduation, so even if they're hard to see, they don't rub off. The second smallest size glass (100ml) is slightly deformed at the bottom, so it cannot stand stably on a flat surface. It tends to wobble and wobble, so I don't use it much. Funny, but I chose another cheaper product, more precisely, instead of the 10ml cylinders that are defective in this set. Also, I've found a use for everything else in it, so I'll just keep it instead of returning it. However, the review is valid as all low quality items are currently sold on Revain and I feel buyers deserve at least an honest look at this product for its value.
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