Self-sharpening Ceramic Grit Technology offers consistent cutting edge and reduces disc wear. Vulcanised fibre backing material provides stability. Cooling aid coating supports use on metal and Inox for removal of weld, stock and discoloration, and for edge chamfering, blending, surface treatment, structuring and final sanding. Keyless X-Lock system for rapid disc change. May be clamped on an X-Lock or standard rubber backing pad. Also fits standard angle grinders.