- 100 Sanding Discs Included: Each box contains 100 high-quality 5-inch (125 mm) sanding discs with a grit size of 400, perfect for a variety of sanding tasks. The 8 holes in each disc enhance dust extraction and reduce heat buildup, keeping your work area clean and extending the lifespan of the discs. Suitable for both professionals and DIY enthusiasts. - Tri-Layer Design: The durable aluminum oxide sanding surface ensures exceptional sanding efficiency and smooth material cutting. The thick paper backing provides strength and flexibility, allowing the discs to adapt to the contours of the workpiece for improved performance. Designed for long-term reliability. The nylon hook-and-loop backing allows for easy assembly and disassembly. - Nylon Hook-and-Loop Backing: Our sanding discs feature a high-quality backing plate that simplifies attachment and removal, saving you valuable time. The nylon material ensures a strong grip during use, keeping the sanding discs securely in place. Quick changes enhance productivity and minimize downtime, making these discs a must-have for any professional or home workshop. - Safety Recommendations: While our sanding discs deliver excellent performance, safety remains a top priority. Always wear hearing protection, eye protection, respiratory masks, and gloves to avoid noise, dust exposure, and hand injuries. Store sanding discs out of direct sunlight and moisture to maintain their quality. Your safety and the durability of our sanding discs are our commitments. - Versatile Use Cases: Ideal for sanding wood projects, finishing metal surfaces, or smoothing out painted finishes, these discs are designed to tackle a range of applications efficiently. Whether refinishing furniture or preparing surfaces for painting, you can count on these sanding discs for consistent results.