The 426U 9″ x 11″ 320 Grit Sanding Sheets provide ultra-fine sanding for smooth and flawless surface preparation. Crafted with premium aluminum oxide abrasive, these full-cut paper sheets deliver excellent precision and durability, making them ideal for final sanding stages in woodworking, automotive refinishing, metalworking, and paint preparation. The 320A grit is perfect for achieving a polished, scratch-free finish before applying the final coat. Resin-bonded for enhanced longevity and reduced clogging, these sanding sheets ensure consistent performance over extended use. Compatible with hand sanding or sanding blocks, the 426U series is a trusted choice for professionals and hobbyists seeking superior surface smoothness and professional-quality results.