Sanding sponge, substrate: highly elastic sponge, grit: 100, type of grain: silicon carbide, binder: resin, use: intermediate sanding of varnishes, sanding of paints, fillers and old varnishes, sanding of wood, metal, plastic, sanding of coatings in grooves and on the surface , plasterboard sanding,..., dimensions: stated in the product name, packaging: paper sleeve with euro hole.