Ideal for: sanding of aged-hard concrete, hard plasters with cement and epoxy coatings, concrete surface freshening, removal of protrusions or casting imperfections in old concrete, grinding of hard cement mortar, roughness of the existing layer of tiles before installing a new one, removal of hardened epoxy resin coatings, removal of the glass surface and other coatings on concrete With innovative design that combines effective grinding and maximum service life