Multi-Stage Sandpaper Assortment: Shineboc 9x3.6 inch sandpaper pack includes 21 sheets with 7 grits (120/220/400/600/800/1000/2000), 3 sheets per grit, suitable for all sanding stages from rough to fine. Premium Material: Crafted from high-quality silicon carbide, electrostatically coated for uniform grit distribution, ensuring long-lasting performance and high resistance to damage. Wet and Dry Use: Suitable for both wet and dry sanding to reduce scratches and dust or offer faster material removal. Anti-Clogging: Resists dust and debris accumulation for a sharp cutting edge and less frequent replacement. Tear-Resistant: Reinforced backing to prevent tearing under high pressure or irregular surfaces. Customizable Cutting: Easily cut to different sizes for specific DIY needs. Multi-Tool Compatibility: Compatible with sanding blocks, orbital sanders, and pneumatic sanders, adaptable for manual and mechanical sanding.