Full Types: Includes 50 pieces of sanding discs in 5 different grits: 60, 80, 120, 150, and 220 (10 pieces of each grit). Meets a wide range of sanding and polishing requirements. High Quality: Sanding discs feature a thick D-class paper backing and are made with high-quality aluminum oxide abrasive material. Durable, wear-resistant sand combined with a high-strength resin bonding system ensures extended service life. Easy to Change: Equipped with durable hook-and-loop (velcro) backing for quick and secure disc changes. Allows for fast attachment and removal during operation. Versatile Use: Suitable for sanding and polishing various materials including metal, wood, plastic, rubber, leather, stone, and glass. Ideal for both professional and DIY applications. Package Contents: 1 x SPTA HGSD8KMIX Sanding Disc Set 50 pcs (10 each of 60, 80, 120, 150, and 220 grit). Sandpaper Material: Made from premium aluminum oxide grains. Provides durable, efficient, and static-resistant performance for long-lasting use. Multiple Grit Options: Offers 5 grit levels from coarse (60) to fine (220), allowing progression from heavy material removal to smooth finishing. Higher numbers indicate finer grit for smoother results. Dual-Side Design: Front side features high-quality sandpaper produced with an electrostatic coating process for uniform grain distribution and reduced shedding. Back side features flocking for improved adhesion and anti-clogging properties, ensuring stability during high-speed operation. Easy Installation: Hook-and-loop (velcro) design allows for fast and secure attachment. No tools required for disc changes. 8-Hole Design: Optimized for efficient dust extraction and heat dissipation. Helps prevent clogging and overheating during use. Durable thick paper base resists tearing and protects your sander from damage. Waterproof Carbonized Paper: Can be used with water or dry depending on application. Maintains performance in wet conditions without compromising integrity. Ideal for a variety of applications including woodworking, rust removal, surface preparation, and finishing on metal, plastic, leather, rubber, and glass. Designed for both professionals and hobbyists. Reliable performance in workshop or home environments. Note: Measurements are manually taken; please allow 13 cm variation. Color may vary slightly due to lighting and monitor display differences. Actual product may differ slightly from images.