This 8-inch sanding disc from Norton Abrasives is engineered for heavy-duty applications, featuring an extra coarse grit size of 40 that excels in stock removal and blending. Made with a next-generation, self-sharpening zirconia alumina abrasive, it offers lifespans 2-3 times longer than traditional aluminum oxide discs, making it an economical choice for professionals in metal fabrication, woodworking, and collision repair. The durable E-weight latex/paper backing is designed to resist tearing while maintaining flexibility, ensuring effective use on a variety of surfaces including fiberglass, carbon steels, and soft woods. With a pressure-sensitive adhesive attachment, individual discs are easy to apply and remove, providing a practical solution for your sanding needs without the hassle of loading. This versatile sanding disc is suitable for use with both random orbital and right angle grinders, efficiently handling demanding tasks across multiple industries.