This set of 11 tungsten carbide grit hole saws is a must-have for any construction or DIY project. Made of durable steel material, these hole saws are suitable for cutting through cement and mortar with ease. The set includes sizes ranging from 1-5/16? to 3-1/4?, ensuring that you have the right size for any job. The Wowsupm brand hole saws are perfect for grinding and cutting through tough materials, and the silver color adds a touch of professionalism to your tool collection. Whether you're a seasoned construction worker or a DIY enthusiast, these hole saws are an essential addition to your toolkit.