Added this product to my brewing tools and it makes it easier to determine the alcohol content of my beer. To determine the original gravity, I only need a drop, not a bottling of a great abomination. You can use this with hot or cold liquid. The construction of the tool is very light as I believe it is made of aluminum. The included hard case is very nice and looks just like the picture. The adjustable eyepiece for focusing is a nice feature. I compared this to other brands and it was the best price for the quality. I've used it on several beers with no complications or failures. Big 5 stars for this product!
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