Upgrade your grinding capabilities with this professional-grade 9-inch ceramic fiber disc. Featuring a robust 36-grit ceramic abrasive surface bonded to a high-strength steel plate substrate, this disc delivers exceptional material removal rates while maintaining its sharp edge longer than conventional options. The 9-inch diameter disc with a 5/8-inch center hole and 1/4-inch thickness is specifically designed for RBG models 712, 750, and 780. The full ceramic material construction ensures aggressive cutting action and efficient grinding performance, while the steel plate substrate provides the necessary stability and safety during operation. These red fiber discs are engineered to maintain their cutting effectiveness throughout extended use, making them ideal for demanding industrial applications where consistent performance is crucial. The durable construction helps reduce frequent disc changes, improving overall productivity in metal fabrication and finishing tasks.