This hole saw is an excellent addition to any toolbox, offering a smooth and efficient cutting experience .Made with high-quality bi-metal cobalt, it can easily cut through hard materials such as wood, metal, and plastic, making it a versatile tool for any industrial and scientific job. However the only downside is THAT it may be a bit more expensive compared to other hole saws in the market. Overall, MaxTool's hole saw is a reliable and durable tool that will never disappoint..