Festool S4000 grit Rubin 2 Abrasive sheet is designed to quickly shed wood fibres, eliminating clogging so the abrasive stays sharp, leading to a 30% faster removal rate. Festool Rubin abrasive incorporates a special closed-coated aluminium oxide that sheds wood fibres, making it an ideal choice for natural wood, wood composites and veneers. Festool abrasives, with their high tech coatings, provide maximum resistance to clogging and smearing, which means longer lasting abrasives and less rework. Save money by reducing costs and achieve consistent, high-quality results. Available 15-pieces. Diameter: 150 mm.