The Starrett Diamond Grit Hole Sawis a high-performance tool that features diamond coating on its tooth core drill bits. This coating provides exceptional durability and longer life, making it an ideal choice for cutting through tough materials like glass, ceramic, porcelain, tile, and stone.One of the key benefits of this hole sawis its ability to produce clean and accurate holes in glass and tile. Its diamond edge saws are designed to offer extended life well beyond that of conventional tools, making it a reliable tool for professionals in the construction and manufacturing industries.In addition to its exceptional performance on non-metallics, the Starrett Diamond Grit Hole Saw also offers effective cutting action on other difficult to cut materials. This makes it a versatile tool that can be used for a wide range of applications, from cutting through granite countertops to creating intricate designs in glass.Overall, the Starrett Diamond Grit Hole Saw is a top-of-the-line tool that provides superior performance and durability.