Feature: 1. ULTRA FINE SANDING SPONGES: This set includes 10 pieces of ultra fine sanding sponges with a dual sided design, featuring 1000 grit on green side and 5000 grit on the white side. 2. VERSATILE USES: Use these sanding blocks for polishing watch straps, nail filing, fine woodworking, cleaning and polishing metal, sanding clay, finishing wooden furniture, woodturning finishes, automotive work, and more. 3. WASHABLE AND REUSABLE: Easily wash and reuse these sanding blocks by simply rinsing with water. They can be used multiple times, providing convenience and effectiveness. 4. PORTABLE AND CONVENIENT: These sanding blocks are lightweight and compact, making them easy to carry and use on the go. Whether you're working on projects at home, in the workshop. 5. ROBUST MATERIALS: Constructed with robust sandpaper and soft sponge material, these sanding blocks offer maximum resistance to clogging and loading, increasing productivity and reducing material consumption. Specification: Item Type: Sanding Block Material: Foam/sponge, sandpaper, White Side: 5000 Grit Green Side: 1000 Grit Product Size: Approx. 9 x 4 x 1.3cm / 3.5 x 1.6 x 0.5in . Package List: 10 x Sanding Block