The Anchor Brand Abrasive Flap Disc, measuring 4-1/2 inches with 40 grit, is engineered for professional-grade cutting and grinding. Its phenolic backing ensures durability and stability at speeds up to 13,000 rpm with a 5/8 inch - 11 arbor fit. Designed for both metal and wood surface preparation, it effectively removes material while preserving surface integrity, making it an essential tool for precise and efficient surface finishing tasks. The angled design improves accessibility for detailed work in diverse applications.