It is intended for use with angle grinders The R780 Best for Metal + Inox is excellent for removing material quickly when grinding on metal and Inox surfaces. Its self-sharpening Ceramic Grit Technology creates new sharp cutting edges during the sanding process for high stock removal in coarser grits and consistent surface quality in finer grits without disc wear. The disc features a top size coating with cooling aids, making it ideal for use on Inox as well as mild steel surfaces. Moreover, the backing material is vulcanised fibre, providing stability for even and continuous sanding. The R780 Best for Metal + Inox is perfect for weld removal, edge chamfering, blending, stock removal, removing discolouration, surface treatment, structuring and final sanding.