Features: Upgrade your sanding tasks with 8 reusable, washable sponge blocks featuring 60/80/100/120/180/220/280 grits for versatile materials preparation on plasterboard, wood, metal, and furniture surfaces. Crafted from premium sponge backed abrasive materials, these two purpose sanding blocks combine ergonomic comfort with seven grit options (60-280) for precise work in wet/dry conditions. Ideal for DIYer enthusiasts, professional woodworkers, and furniture restorers needing durability tools for extended polishing, surfaces preparation, or detailed craft projects. Perfect for smoothing plasterboard seams, refinishing wooden decks, polishing metal fixtures, or creating flawlessly finishes in workshops, construction sites, and home renovation projects. It reduces waste through multiple reuse cycles while maintaining consistent performances across coarse materials removal to fine finishing stage. Specifications: Component: sponge sand Size:Approx.70x25x100mm/2.76x0.98x3.94inch Process: wet and dry use, polishing and polishing For hand holding 7piece set, including 60/80/100/120/180/220/280 different grit levels It can be used for sanding and polishing plasterboard, wood, metal and furniture. It is washable and reusable and suitable for a variety of surfaces treatments needs. Package Includes: 7 Pack Reusable Sanding Sponges 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.