Features: 131 piece Hand Sanding Block Set with high density aluminum oxide grains delivers longer lasting, efficient smoothing on wood, metal, and plastic surfaces. 131 abrasive sheets neatly, saving 30% time and preventing loss for a clutter less workspaces. Ideal for DIYer enthusiasts and professional, this sanding set ensures precise surfaces preparation for woodworking, auto repair, and model crafting. Achieve uniform finishes on furniture edges, automotive body panels, and plastic prototypes with multiple grit sandpaper block for controlled material removal. Durability construction and color coded grits provide optimally control, keep essential abrasives accessible for any task. Specifications: Component: High-quality wear-resistant paper Craft: Fine cutting, handheld design Parameters: 131 pieces in total, including various thickness models Size: Standard square grinding block Practicality: Suitable for woodworking polishing, metal polishing, wall treatments and other scenarios Package Includes: 131pcs/set Sanding Pad note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.