This hole saw is a game-changer. After I put it to the test, I was blown away by its efficiency and cutting power. It easily cuts through thick materials with precision, making my work easier and faster. The bi-metal construction of this product is top-notch, ensuring durability and long-lasting performance. Although it's a bit pricier than other hole saws, it's worth the investment. As an industrial and scientific professional, I highly recommend this cutting tool. The only downside is the high price tag.