Roughing disc vdg 100 thick, for roughing surfaces and edges of natural stone, all types of ceramic tiles or paint or resin coatings. they facilitate the reduction of surfaces and the molding of edges to give them the desired shape. they are perfect for the execution of plinths or miters in ceramic tiles, especially, those of greater hardness. they are used dry and have a ø22.2 mm connection, to use with a grinder. ideal for working both horizontal and vertical surfaces