1.Efficient wet or dry application: These sponges are optimized for wet and dry application and store water to minimize rinsing and improve grinding performance. They are ideal for a variety of surfaces, including , metal and drywall, and ensure excellent polishing results. 2.Versatile grit assortment: This set includes 10 sanding sponges with 5 different grits (60, 80, 120, 180, 220), each delivered in pairs. Handle surfaces from coarse to fine. 3.Easy identification and versatile use: Each sponge is easily identified by the grit, which simplifies your workflow. Perfect for various applications such as woodworking, metal polishing and drywall smoothing. Their adaptability makes them suitable for both flat and contoured surfaces. 4. and clog design: Made from a highdensity, flexible sponge that is tear and clogresistant. These sponges remain intact even with intensive use and ensure a smooth, flawless surface without sand detachment.