My analysis of this industrial hand TOOL showed that it is an absolute necessity for anyone who wears glasses. This affordable tool is easy to use and has saved me multiple trips to the optometrist for simple adjustments .The stainless steel material ensures durability and longevity. The only minor con is that it may take a little time and patience to get the hang of using it properly. Overall, I highly recommend this product for any eyeglass wearer as a cost-effective solution for small adjustments. Keywords: Industrial and Scientific..