For angle grinders, for processing iron and non-ferrous metals, on cotton backing. The disc is suitable for applications with low to medium pressure. Standard quality, self-sharpening zirconium corundum, fiberglass backing plate. Type Item Design Flap disc Outer diameter 115.0 mm Features self-sharpening Application Metal, non-ferrous metals Main color black Inner diameter 22.0 mm Grit K40 Abrasive Zirconium corundum Version Grinding/polishing agent Tool holder Standard