The QEP 2 inch Diamond Hole Saw is designed for use with grinders and falls under the category of Drill Bits. This specialized drill bit is crafted with diamond material, known for its durability and ability to cut through tough surfaces like ceramic, porcelain, and stone. The QEP brand is reputable for producing high-quality tools and this hole saw is no exception, making it a reliable choice for professionals and DIY enthusiasts looking to create precise holes in various materials with ease.