Designed for optimal performance, the 3-inch Twist CoolCut XX sanding discs by Walter Surface Technologies offer an unparalleled abrasive solution for a variety of materials including aluminum, stainless steel, and structural steel. Each disc features Walter's exclusive Cyclone™ Technology, which combines a high-performance ceramic abrasive grain blend to deliver an extremely aggressive removal rate, significantly reducing your cycle time. With grit clearly printed on the back for convenience, these discs not only boast the longest life in the industry, but also come in a practical package of 50, ensuring you have ample supply for your projects. Whether you're in a professional workshop or tackling a DIY task, these sanding discs are engineered to meet your demanding needs with efficiency and reliability.