Feature: 1. Excellent Material: The wet polishing pads use diamond micropowder with resin bond, which has fast polishing and high brightness. 2. Leave Seam Design: With seam design, these wet polishing pads are softer, and heat dissipation is fast and noise is small. 3. Reinforced Structure: Each wet polishing pad is surrounded by connectors to strengthen the design, which can effectively prevent edge drop. 4. Multiple Uses: These polishing pads are often used for grinding and polishing marble, granite, pebbles, ceramic tiles, ceramics and other materials. 5. Convenient Replacement: The kit contains 5pcs 4in wet polishing pads, which are used as polisher accessories for easy installation and replacement. Specification: Item Type: Diamond Wet Polishing Pads Material: Diamond powder, resin bond Outer Diameter: Approx. 100mm / 4in Hole Diameter: Approx. 16mm / 0.6in Uses: Grinding and polishing of marble, granite, cobblestone, ceramic tiles, ceramics and other materials . Package List: 5 x Polishing Pads Note: The color of the back side of the polishing pads with different grits will be different.