Diamond grinding sponge made with high-strength diamond and a highly elastic sponge for wear resistance, high operating strength and repeated use. Carefully manufactured to meet demanding requirements, it delivers effective and efficient grinding performance. Ergonomic and easy to grip - Ergonomic design for comfortable handling. Edge groove adds grip, the sponge is lightweight, and the textured surface provides a secure hold even in wet conditions for better control and precision. Wide application - Polishing stones and natural surfaces - Cutting ceramic tiles and removing glass burrs - Polishing and renovating metal, deburring wood - Suitable for renovation or other craft projects and professional processing of a wide range of materials Color coded grit for easy identification - Five colour combinations, each grit has a specific color for quick identification and selection - Color coding helps organize and distinguish sanding blocks during work Use scenarios - Refurbish stone countertops or floors for a smooth finish - Finish tile edges and remove burrs in ceramic tile projects - Polish metal hardware and deburr wood components during renovation or furniture work