General description The Festool Abrasive Sheet 90mm STF D90/6 RU2/50 is designed for use with the RO 90 DX sander. This high-performance abrasive sheet is specifically tailored for wooden materials, making it ideal for various sanding tasks including intermediate sanding, final sanding for varnishing, and preparatory sanding for oiling or waxing. Technical specifications Diameter: 90 mm Pack size: 50 sheets Grit: Selectable, including 40G Usage Intermediate sanding of wooden surfaces Final sanding before varnishing Preparatory sanding for oiling or waxing