The Diablo's 5" 36-Grit Fiber Discs are engineered for fast material removal and long-lasting performance on metal surfaces. Featuring a premium aluminum oxide blend, these discs deliver efficient stock removal while maintaining durability. The high-strength resin bond ensures the grit stays securely attached, even during intense sanding or grinding. With a clog-resistant coating, productivity is maximized by reducing pitch build-up. Perfect for grinding, blending, and smoothing welds, these discs are also suitable for use on wood, plastics, and fiberglass. This 4-pack offers a versatile solution for heavy-duty surface preparation and material removal tasks.