These 9x11-inch sandpaper sheets feature high-quality silicon carbide abrasive with a 320 grit rating, ideal for fine sanding tasks. Suitable for both wet and dry use, they deliver consistent performance on metal, hardwood, plastic, ceramic, and glass surfaces. Perfect for woodworking, metalworking, and detailed refinishing, these sheets help achieve smooth, professional finishes. Their durable resin bond and waterproof latex backing ensure long-lasting use, making them a reliable choice for craftsmen and DIYers seeking precise surface preparation and finishing. This 100-pack offers ample supply for various projects requiring expert-level sanding results.