The Cle Line hole saw is a must-have for any DIY project. Based on our own experience, it is industrial and scientific grade, making it reliable and long-lasting. The speed steel construction is impressive and makes cutting through tough materials a breeze. One drawback is that it can be a bit pricey compared to other hole saws on the market. However, the quality makes it worth the investment. Overall, we highly recommend this hole saw for anyone in need of a reliable and efficient cuttingβ¦